Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
- Home
- K&N Filter
- Road Armor
- On Sale
- Performance Parts
Oiled Air Filters K&N Filter Performance Parts
Oiled Air Filters K&N Filter On Sale
6 Product Groups
Switch to View Products
K&N Air Filters
K&N Filter Air FilterFrom $109.99
- Designed to Increase Horsepower
- Easy to Install Drop-in Design
- Lifetime Reusable Air Filter
- Million Mile Limited Warranty
- Lasts up to 50,000 Miles Between Servicing
- California Residents: WARNING
From $109.99
4.4
4.4
(2193)
K&N Universal Clamp-On Air Filters
K&N Filter Universal Chrome Air FilterFrom $27.99
- K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
- California Residents: WARNING
From $27.99
K&N Filter X-Stream Air Filter
K&N Filter X-Stream Air FilterFrom $100.99
- K&N gives you the power you've been looking for with the new XStream Air Flow Top. Cleanable and reusable, the XStream Air Flow Top filter delivers outstanding engine protection and comes in a wide range of applications. Sizes include 9, 11, 14 and 16-inch diameters. The 14-inch tops are available in anodized black, red, blue or chrome trim ring.
- California Residents: WARNING
From $100.99
K&N Filter Custom Inverted Air Filter
K&N Filter Custom Inverted Air FilterFrom $62.99
- K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
- California Residents: WARNING
From $62.99
K&N Filter X-Stream Air Flow Top
K&N Filter X-Stream Air Flow TopFrom $139.99
- K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
- California Residents: WARNING
From $139.99
K&N Filter Custom Titanium Air Filter
K&N Filter Custom Titanium Air FilterFrom $104.99
- K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
- California Residents: WARNING
From $104.99
98 Products
Switch to View Product Groups
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - E-2296
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Direct Fit
- TOYOTA VIGO 3.0L-L4 DSL
- 2005
- Designed to increase horsepower
- Washable, reusable, and engineered to last for the life of your vehicle
- Designed to provide high airflow and exceptional filtration
- Engineered to fit easily into your factory air box
- 10 year or 1 million mile limited warranty
- Only needs cleaning every 50,000 miles under normal highway driving conditions
- Emissions legal in all 50 States
- Will not void vehicle warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$79.99
$89.99
Only 3 left in Stock ?
$79.99
$89.99
Only 3 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Direct Fit
- TOYOTA VIGO 3.0L-L4 DSL
- 2005
- Designed to increase horsepower
- Washable, reusable, and engineered to last for the life of your vehicle
- Designed to provide high airflow and exceptional filtration
- Engineered to fit easily into your factory air box
- 10 year or 1 million mile limited warranty
- Only needs cleaning every 50,000 miles under normal highway driving conditions
- Emissions legal in all 50 States
- Will not void vehicle warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Clamp-On Air Filter - RU-4650
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- Round tapered
- Center flange
- Rubber top
- Height 6"
- Flange inside diameter 3"
- Top Outside diameter 4"
- Flange length 1.75"
- Base ouside diameter 5"
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$79.99
In-Stock Ships today ?
$79.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- Round tapered
- Center flange
- Rubber top
- Height 6"
- Flange inside diameter 3"
- Top Outside diameter 4"
- Flange length 1.75"
- Base ouside diameter 5"
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Clamp-On Air Filter - RU-5135
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- Round tapered
- Rubber top
- Height 4.438"
- Flange length 0.75"
- Top outside 3.5"
- Flange inside diameter 2.75"
- Base outside diameter 5.063"
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$89.99
In-Stock Ships today ?
$89.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- Round tapered
- Rubber top
- Height 4.438"
- Flange length 0.75"
- Top outside 3.5"
- Flange inside diameter 2.75"
- Base outside diameter 5.063"
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Replacement Air Filter - E-0645
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Direct Fit
- Designed to boost horsepower and rate of acceleration
- Can be cleaned and used again
- High air flow with exceptional filtration
- Lasts up to 50,000 miles before cleaning is required depending on driving conditions
- Works with original equipment manufacturer vehicle electronics
- Emissions legal in all 50 US states
- Will NOT void vehicle warranty
- Million Mile Limited Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$99.99
Only 2 left in Stock ?
$99.99
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Direct Fit
- Designed to boost horsepower and rate of acceleration
- Can be cleaned and used again
- High air flow with exceptional filtration
- Lasts up to 50,000 miles before cleaning is required depending on driving conditions
- Works with original equipment manufacturer vehicle electronics
- Emissions legal in all 50 US states
- Will NOT void vehicle warranty
- Million Mile Limited Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Custom Air Filter - E-3952
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- 6-3/4" X 4-1/2",2-1/2"H,Rectangular filter
- Designed to increase horsepower
- Washable and reusable
- High air flow filter media provides exceptional filtration
- Million mile limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$64.99
In-Stock Ships today ?
$64.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Fitment: Universal Fit
- 6-3/4" X 4-1/2",2-1/2"H,Rectangular filter
- Designed to increase horsepower
- Washable and reusable
- High air flow filter media provides exceptional filtration
- Million mile limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - 33-3129
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Designed to increase horsepower
- Washable, reusable, and engineered to last for the life of your vehicle
- Designed to provide high airflow and exceptional filtration
- Engineered to fit easily into your factory air box
- 10-Year/Million Mile Limited Warranty
- Only needs cleaning every 50,000 miles under normal highway driving conditions
- Emissions legal in all 50 States
- Will not void vehicle warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$64.99
Only 1 left in Stock ?
$64.99
Only 1 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Designed to increase horsepower
- Washable, reusable, and engineered to last for the life of your vehicle
- Designed to provide high airflow and exceptional filtration
- Engineered to fit easily into your factory air box
- 10-Year/Million Mile Limited Warranty
- Only needs cleaning every 50,000 miles under normal highway driving conditions
- Emissions legal in all 50 States
- Will not void vehicle warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter X-Stream Air Flow Top Filter - 66-1101
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- X-Stream
- Air Flow Top
- Black
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$73.99
In-Stock Ships today ?
$73.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- X-Stream
- Air Flow Top
- Black
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter X-Stream Air Flow Top - 66-1401XB
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- X-Stream
- Air Flow Top
- Blue
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$87.99
In-Stock Ships today ?
$87.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- X-Stream
- Air Flow Top
- Blue
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter X-Stream Air Flow Top - 66-1401XP
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- X-Stream
- Air Flow Top
- Polish
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$139.99
$139.99
Only 2 left in Stock ?
$139.99
$139.99
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- X-Stream
- Air Flow Top
- Polish
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Chrome Air Filter - RG-1001BL
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Blue
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$27.99
In-Stock Ships today ?
$27.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Blue
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Chrome Air Filter - RG-1001RD
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Red
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$27.99
In-Stock Ships today ?
$27.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Red
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Chrome Air Filter - RG-1001WT
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- White
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$30.99
In-Stock Ships today ?
$30.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- White
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Chrome Air Filter - RG-1002RD
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Red
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$46.99
In-Stock Ships today ?
$46.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Universal Chrome Air Filter
- Red
- Round Tapered
- Base OD-6/ID-4.75 in
- Centered
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Custom Inverted Air Filter - RR-3003
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Custom Inverted Air Filter
- End Cap
- Centered
- Polished
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$62.99
In-Stock Ships today ?
$62.99
In-Stock Ships today
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships today ?- Custom Inverted Air Filter
- End Cap
- Centered
- Polished
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Clamp-On Air Filter - RU-1682
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Base outside diameter: 5.5"
- Height: 6"
- Top outside diameter 4.5"
- Flange inside diameter: 3.938"
- Flange length: 0.75"
- Centered flange
- Top material: Rubber
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$79.99
Only 1 left in Stock ?
$79.99
Only 1 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Base outside diameter: 5.5"
- Height: 6"
- Top outside diameter 4.5"
- Flange inside diameter: 3.938"
- Flange length: 0.75"
- Centered flange
- Top material: Rubber
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filters Universal Clamp-On Air Filter - RU-4570
- Fitment: Universal Fit
- Red oiled cotton gauze filter
- Round tapered
- Offset flange
- Flange offset 0.469"
- Flange inside diameter 2.875
- Top outside diameter 3.5"
- Height 4.438"
- Base outside diameter 5.188"
- Flange length 0.75"Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$54.99
$54.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$54.99
$54.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Red oiled cotton gauze filter
- Round tapered
- Offset flange
- Flange offset 0.469"
- Flange inside diameter 2.875
- Top outside diameter 3.5"
- Height 4.438"
- Base outside diameter 5.188"
- Flange length 0.75"Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Clamp-On Air Filter - RU-5131
- Fitment: Universal Fit
- Top Outside Diameter 3.5"
- Height 5.5"
- Base Outside Diameter 5.063"
- Flange Length 0.75"
- Flange inside diameter 2.75"
- Re-oiling amount .86oz (25ml)
- Rubber top
- Centered flange
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$69.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$69.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Top Outside Diameter 3.5"
- Height 5.5"
- Base Outside Diameter 5.063"
- Flange Length 0.75"
- Flange inside diameter 2.75"
- Re-oiling amount .86oz (25ml)
- Rubber top
- Centered flange
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filters Universal Clamp-On Air Filter - RU-5283
- Fitment: Universal Fit
- Red oiled cotton gauze filter
- Round tapered
- Centered flange
- Flange inside diameter 4.5"
- Black powder coated top
- Top outside diameter 6.625"
- Height 8"
- Base outside diameter 8"
- Flange length 1.375"Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$99.99
$99.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$99.99
$99.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Red oiled cotton gauze filter
- Round tapered
- Centered flange
- Flange inside diameter 4.5"
- Black powder coated top
- Top outside diameter 6.625"
- Height 8"
- Base outside diameter 8"
- Flange length 1.375"Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Universal Clamp-On Air Filter - RU-8100
- Fitment: Universal Fit
- Round tapered, center flange
- Flange inside diameter: 2.5"
- Top outside diameter: 3.5"
- Height: 3.188"
- Flange length: 0.75"
- Base outside diameter: 4.5"
- Re-oiling 0.47oz (14ml)
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$47.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$47.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Round tapered, center flange
- Flange inside diameter: 2.5"
- Top outside diameter: 3.5"
- Height: 3.188"
- Flange length: 0.75"
- Base outside diameter: 4.5"
- Re-oiling 0.47oz (14ml)
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- One year limited warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Factory Style Replacement Air Filter - 33-2244
- MERCEDES C180 2.0L-I4
- 01-02
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$61.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$61.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- MERCEDES C180 2.0L-I4
- 01-02
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - E-2315
- 7-3/16 inchB, 5-5/16 inchT, 3-7/16 inchH
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$42.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$42.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- 7-3/16 inchB, 5-5/16 inchT, 3-7/16 inchH
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - E-2321
- 5-3/8 inch OD, 3-1/2 inch ID, 2-1/4 inch H
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$53.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$53.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- 5-3/8 inch OD, 3-1/2 inch ID, 2-1/4 inch H
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - E-2345
- ISUZU DIESEL #8-94334906-0
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$52.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$52.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- ISUZU DIESEL #8-94334906-0
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
K&N Filter Replacement Air Filter - E-2351
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$73.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$73.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
