Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
Offset 2.25 Inches/2.25 Inches Chambered We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Offset 2.25 Inches/2.25 Inches Chambered On Sale
6 Product Groups
Switch to View Products
Flowmaster Exhaust 40 Series Mufflers
Flowmaster Exhaust 40 Series MufflerFrom $99.95
- The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers the powerful ?Flowmaster Sound? you?ve heard so much about. If you really want to hear your exhaust system and that great muscle car tone ? from both inside and outside of the vehicle - the 40 Series is for you
- California Residents: WARNING
From $99.95
3.5
3.5
(6)
MagnaFlow Exhaust Aluminized Steel Mufflers
MagnaFlow Exhaust XL 3 Chamber Aluminized Steel MufflerFrom $100.00
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING
From $100.00
3.5
3.5
(14)
Borla Crate Mufflers
Borla Stainless Steel MufflerFrom $255.99
- CrateMufflers
- World?s first mufflers specifically designed to optimize the sound & power of crate & custom-built motors
- NOT a universal muffler
- Available in the 3 BORLA? Sound Technologies
- Touring, S-Type, & ATAK?
- California Residents: WARNING
From $255.99
BORLA ProXS Mufflers
Borla Borla Pro XS MufflerFrom $124.99
- Straight-through design
- Reversible
- Universal
- High-quality austenitic stainless steel
- California Residents: WARNING
From $124.99
DynoMax Thrush Welded Mufflers
Dynomax Exhaust Thrush Welded MufflerFrom $43.99
- Universal welded muffler
- 100% aluminized
- Deep tone
- California Residents: WARNING
From $43.99
5.0
5.0
(4)
Dynomax Exhaust Hush Thrush Super Turbo Muffler
Dynomax Exhaust Hush Thrush Super Turbo MufflerFrom $54.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $54.99
12 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
Borla Pro XS Muffler - 400489
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
- Offset/Offset
- 2.25 in. Offset Inlet
- 2.25 in. Offset Outlet
- 14 in. x 4 in. x 9.5 in. Oval Body
- 19 in. OAL
- Notched
- T-304 Stainless Steel
- 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
$124.99
$139.99
Only 2 left in Stock ?
$124.99
$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
- Offset/Offset
- 2.25 in. Offset Inlet
- 2.25 in. Offset Outlet
- 14 in. x 4 in. x 9.5 in. Oval Body
- 19 in. OAL
- Notched
- T-304 Stainless Steel
- 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
Flowmaster 40 Series Muffler - 42443
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- 40 Series Muffler
- Aluminized Steel
- 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
$99.95
$112.00
In-Stock Ships next business day ?
$99.95
$112.00
In-Stock Ships next business day
?
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 next business day ?- Fitment: Universal Fit
- 40 Series Muffler
- Aluminized Steel
- 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
MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13235
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- 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
$134.00
$203.28
Only 4 left in Stock ?
$134.00
$203.28
Only 4 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 4 left in Stock ?- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- 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
MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13645
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Round
- 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
Qualifies for Free Shipping
$100.00
Only 4 left in Stock ?
$100.00
Only 4 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 4 left in Stock ?- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Round
- 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
Dynomax Hush Thrush Super Turbo Muffler - 17632
- Fitment: Universal Fit
- Hush Thrush
- Super Turbo Muffler
- Universal
- Oval
- Stainless Steel
- 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
Qualifies for Free Shipping on Orders Over $99
$54.99
$74.58
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
$74.58
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Hush Thrush
- Super Turbo Muffler
- Universal
- Oval
- Stainless Steel
- 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
Dynomax Thrush Welded Muffler - 17651
- Fitment: Universal Fit
- Thrush Welded Muffler
- Oval
- 304 Stainless Steel
- 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
$43.99
$104.96
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
$43.99
$104.96
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Thrush Welded Muffler
- Oval
- 304 Stainless Steel
- 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
Dynomax Thrush Welded Muffler - 17658
- Fitment: Universal Fit
- Universal welded muffler
- 100% aluminized
- Deep tone
- Offset 2.25 inch inlet
- Offset 2.25 inch outlet
- 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
Qualifies for Free Shipping on Orders Over $99
$48.99
$104.96
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
$48.99
$104.96
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Universal welded muffler
- 100% aluminized
- Deep tone
- Offset 2.25 inch inlet
- Offset 2.25 inch outlet
- 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
Borla CrateMuffler - 400834
- Fitment: Universal Fit
- Muffler, S-Type CrateMuffler
- Oval, Stainless Steel
- Natural, 2.25 in. Offset Inlet/Outlet
- 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
$273.99
$306.99
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
$273.99
$306.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Muffler, S-Type CrateMuffler
- Oval, Stainless Steel
- Natural, 2.25 in. Offset Inlet/Outlet
- 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
Borla CrateMuffler - 400835
- Fitment: Universal Fit
- Muffler, ATAK CrateMuffler
- Oval, Stainless Steel, Natural
- 2.25 in. Offset Inlet/Outlet
- 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
$266.99
$298.99
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
$266.99
$298.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Muffler, ATAK CrateMuffler
- Oval, Stainless Steel, Natural
- 2.25 in. Offset Inlet/Outlet
- 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
Borla CrateMuffler - 400846
- Fitment: Universal Fit
- Muffler, S-Type CrateMuffler
- Oval, Stainless Steel, Natural, 2.25 in.
- Offset Inlet/Outlet
- 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
$277.99
$310.99
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
$277.99
$310.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Muffler, S-Type CrateMuffler
- Oval, Stainless Steel, Natural, 2.25 in.
- Offset Inlet/Outlet
- 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
Borla CrateMuffler - 400847
- Fitment: Universal Fit
- Muffler, ATAK CrateMuffler
- Oval, Stainless Steel, Natural, 2.25 in.
- Offset Inlet/Outlet, Chevy, Each
- 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
$255.99
$285.99
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
$255.99
$285.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Muffler, ATAK CrateMuffler
- Oval, Stainless Steel, Natural, 2.25 in.
- Offset Inlet/Outlet, Chevy, Each
- 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
MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13265
- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- 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
$142.00
$215.82
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
$142.00
$215.82
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- 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
