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Centered Stainless Steel We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Centered Stainless Steel We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! On Sale
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MagnaFlow Performance Stainless Steel Mufflers
MagnaFlow Exhaust Street Performance Stainless Steel Muffler With TipsFrom $107.00
- Delivers a Smooth, Deep Tone
- 100% Stainless Steel
- Mufflers are Bi-Directional
- Lifetime Warranty
- California Residents: WARNING
From $107.00
4.5
4.5
(495)
Flowmaster Super HP-2 Street Mufflers
Flowmaster Exhaust Super HP-2 Series MufflerFrom $160.95
- Stainless Steel Construction
- Dyno Tuned For Maximum Performance
- Patented Laminar Flow Technology
- Lifetime Limited Warranty
- Made in the USA
- California Residents: WARNING
From $160.95
MagnaFlow Exhaust Aluminized Steel Mufflers
MagnaFlow Exhaust XL 3 Chamber Aluminized Steel MufflerFrom $134.00
- 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 $134.00
3.5
3.5
(14)
MBRP Quiet Tone Diesel Muffler
MBRP Quiet Tone Diesel MufflerFrom $204.59
- These Mufflers are designed to provide you maximum performance with minimum sound.
- California Residents: WARNING
From $204.59
5.0
5.0
(1)
BORLA XR-1 Sportsman Racing Mufflers
Borla XR-1 Stainless Sportsman Racing MufflersFrom $146.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $146.99
Borla Crate Mufflers
Borla Stainless Steel MufflerFrom $248.99
- 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 $248.99
DynoMax Stainless Glasspack Mufflers
Dynomax Exhaust Thrush Glasspack MufflerFrom $161.99
- Universal
- Steel
- Red
- California Residents: WARNING
From $161.99
5.0
5.0
(4)
Flowmaster Pro Series Laminar Flow Mufflers
Flowmaster Exhaust Pro Series MufflerFrom $258.95
- Most versatile Laminar Flow muffler we offer
- Deeper tone for great performance sound
- 409S Stainless Steel construction
- Limited lifetime warranty to original purchaser
- Low exterior heat via Cool Shell technology
- Both full-size and shorty version available
- California Residents: WARNING
From $258.95
BORLA ProXS Mufflers
Borla Borla Pro XS MufflerFrom $112.99
- Straight-through design
- Reversible
- Universal
- High-quality austenitic stainless steel
- California Residents: WARNING
From $112.99
MagnaFlow Glass Pack Exhaust Mufflers
MagnaFlow Exhaust Glass Pack MufflerFrom $52.00
- Center/Center
- California Residents: WARNING
From $52.00
Dynomax Exhaust Mini Bullet Muffler Race Series
Dynomax Exhaust Mini Bullet Muffler Race SeriesFrom $27.99
- Race Series
- Round
- 409 Stainless Steel
- California Residents: WARNING
From $27.99
4.0
4.0
(1)
Dynomax Exhaust Ultra Flo Welded Universal Muffler
Dynomax Exhaust Ultra Flo Welded Universal MufflerFrom $107.99
- Universal
- Stainless steel
- California Residents: WARNING
From $107.99
5.0
5.0
(2)
Banks Power Monster Exhaust Mufflers
Banks Power Monster MufflerFrom $189.00
- Type Of Muffler: Straight Through
- Inlet Tube Size: 2.5in.
- Outlet Tube Size: 2.5in.
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING
From $189.00
3.7
3.7
(18)
BORLA S-Type Specialty Mufflers
Borla S-Type Universal Performance MufflerFrom $191.99
- Universal Performance Muffler
- Stainless Steel
- Reversable
- California Residents: WARNING
From $191.99
5.0
5.0
(1)
BORLA Boomers Mufflers
Borla Borla Boomers Spit Fire MufflerFrom $256.99
- Oval
- 2.25 in. Inlet
- 14 in. x 8.5 in. x 5.5 in. Case Size
- 3 in. Dual DTM Tip
- California Residents: WARNING
From $256.99
BORLA Heavy Duty Specialty Mufflers
Borla Heavy Duty Truck MufflerFrom $244.99
- Straight-through design
- Reversible
- Universal
- High-quality austenitic stainless steel
- California Residents: WARNING
From $244.99
Dynomax Exhaust Bullet Muffler Race Series
Dynomax Exhaust Bullet Muffler Race SeriesFrom $63.99
- Bullet Muffler
- Race Series
- Round
- 409 Stainless Steel & Aluminized
- California Residents: WARNING
From $63.99
5.0
5.0
(2)
Dynomax Exhaust Ultra Flo SS Muffler
Dynomax Exhaust Ultra Flo SS MufflerFrom $123.99
- Stainless Steel
- Universal
- Oval
- California Residents: WARNING
From $123.99
5.0
5.0
(5)
BORLA XR-1 Multi-Core Racing Mufflers
Borla XR-1 Stainless Multicore Racing MufflersFrom $256.99
- XR-1 Stainless Multicore Racing Mufflers
- Round
- Off Road Use Only
- California Residents: WARNING
From $256.99
Flowmaster dBX Series Laminar Flow Mufflers
Flowmaster Exhaust dBX MufflerFrom $227.95
- dBX series mufflers - this Laminar Flow internal configuration muffler features the revolutionary HP core design delivering excellent sound control for a wide variety of engine types where vehicle under-chassis space is limited. Utilizing cool shell technology to minimize radiant heat from the muffler body, they are perfect for sport compact imports as well as muscle cars and other performance applications. Constructed with 409S stainless steel internal components and wrapped with a proprietary insulation material and finally a polishable 304 stainless steel casing, these mufflers are as attractive as they are functional delivering a moderate to aggressive tone.
- California Residents: WARNING
From $227.95
MBRP Garage Parts Pro Series Muffler
MBRP Garage Parts Pro Series MufflerFrom $278.99
- These Mufflers are designed to provide you maximum performance with minimum sound.
- California Residents: WARNING
From $278.99
MBRP Garage Parts XP Series Muffler
MBRP Garage Parts XP Series MufflerFrom $176.69
- These Mufflers are designed to provide you maximum performance with minimum sound.
- California Residents: WARNING
From $176.69
Flowmaster Exhaust Outlaw Series Race Muffler
Flowmaster Exhaust Outlaw Series Race MufflerFrom $384.95
- The Flowmaster Outlaw Series Race Mufflers are our smallest and lightest race mufflers to date. When attached directly to the collector, it generally produces more power than open headers, while taking the ?edge? off that open header sound. These race mufflers are designed to be used at race tracks requiring mufflers, but without dB restrictions.
- California Residents: WARNING
From $384.95
5.0
5.0
(5)
Dynomax Exhaust Hush Thrush Super Turbo Muffler
Dynomax Exhaust Hush Thrush Super Turbo MufflerFrom $55.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $55.99
270 Products
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4WP PROTECTION PLAN
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Flowmaster FlowFX Series Muffler (Brushed Finish) - 71235
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- 2.25 offset in
- 2.25 center out
- Brushed finish
- Universal muffler - not a direct fit - some adaptation required
- Durable fully welded 409S stainless steel case
- Moderate exterior performance tone
- Straight through design
- Flowmaster quality
- California Residents: WARNING + View More Specs - View Less Specs
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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
$39.99
In-Stock Ships next business day ?
$39.99
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 ?- 2.25 offset in
- 2.25 center out
- Brushed finish
- Universal muffler - not a direct fit - some adaptation required
- Durable fully welded 409S stainless steel case
- Moderate exterior performance tone
- Straight through design
- Flowmaster quality
- 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!
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Borla Universal Muffler - 401382
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
- 2.5" Center Inlet
- 2.5" Center Outlet
- Body: 4" Round x 16" Long
- 21" Overall Length
- Reversible Design
- Compact size is perfect for applications with limited space
- 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
$242.99
$271.99
Only 4 left in Stock ?
$242.99
$271.99
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
- 2.5" Center Inlet
- 2.5" Center Outlet
- Body: 4" Round x 16" Long
- 21" Overall Length
- Reversible Design
- Compact size is perfect for applications with limited space
- 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!
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Borla XR-1 Stainless Sportsman Racing Muffler - 40085
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
- Borla XR-1 Stainless Sportsman Racing Mufflers
- Round
- 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
$146.99
$163.99
In-Stock Ships next business day ?
$146.99
$163.99
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
- Borla XR-1 Stainless Sportsman Racing Mufflers
- 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!
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!
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Borla Pro XS Muffler - 400495
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
- Center/Center
- 2.25 in. Center Inlet
- 2.25 in. Center 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!
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Qualifies for Free Shipping
$114.99
$127.99
Only 1 left in Stock ?
$114.99
$127.99
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
- Center/Center
- 2.25 in. Center Inlet
- 2.25 in. Center 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!
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Flowmaster FlowFX Series 2.50" In/Out Stainless Steel Muffler - 71416
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
- FlowFX Muffler
- 2.50" inlet/outlet diameter
- Round
- 14" body length
- Sold individually
- 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!
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Qualifies for Free Shipping on Orders Over $99
$56.95
$63.28
In-Stock Ships next business day ?
$56.95
$63.28
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
- FlowFX Muffler
- 2.50" inlet/outlet diameter
- Round
- 14" body length
- Sold individually
- 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!
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Dynomax Ultra Flo Welded Muffler - 17218
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
- Universal
- Stainless Steel
- 2.5 inch inlet/outlet
- 19 inch length
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping on Orders Over $99
$96.99
$200.38
Only 4 left in Stock ?
$96.99
$200.38
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
- Universal
- Stainless Steel
- 2.5 inch inlet/outlet
- 19 inch length
- 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!
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Reset Password
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Dynomax Ultra-Flo Welded Muffler - 17219
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Location: Side
- Outlet Location: Center
- 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!
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Qualifies for Free Shipping on Orders Over $99
$90.99
$191.04
Only 3 left in Stock ?
$90.99
$191.04
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: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Location: Side
- Outlet Location: Center
- 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!
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!
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Enter email address to change your password
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Dynomax Ultra-Flo Welded Muffler - 17220
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
- Type Of Muffler: Straight Through
- Inlet Location: Center
- Outlet Location: Center
- 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!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$89.99
$189.16
In-Stock Ships next business day ?
$89.99
$189.16
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
- Type Of Muffler: Straight Through
- Inlet Location: Center
- Outlet Location: Center
- 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!
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!
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Reset Password
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Dynomax Ultra Flo Welded Muffler - 17221
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
- Universal
- Stainless Steel
- Offset 3 inch inlet
- Center 3 inch outlet
- 19 inch length
- 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
$90.99
$191.04
In-Stock Ships next business day ?
$90.99
$191.04
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
- Universal
- Stainless Steel
- Offset 3 inch inlet
- Center 3 inch outlet
- 19 inch length
- 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!
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Reset Password
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Dynomax Ultra-Flo Welded Muffler - 17223
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
- Type Of Muffler: Straight Through
- Inlet Location: Center
- Outlet Location: Center
- 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 on Orders Over $99
$86.99
$191.04
Only 2 left in Stock ?
$86.99
$191.04
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
- Type Of Muffler: Straight Through
- Inlet Location: Center
- Outlet Location: Center
- 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
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Enter email address to change your password
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Dynomax Ultra Flo Welded Muffler - 17224
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
- Universal
- Stainless Steel
- 3.5 inch inlet/outlet
- 21 inch length
- 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
$96.99
$200.38
Only 2 left in Stock ?
$96.99
$200.38
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
- Universal
- Stainless Steel
- 3.5 inch inlet/outlet
- 21 inch length
- 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!
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Dynomax Ultra Flo SS Muffler - 17263
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- Universal
- Stainless Steel
- 2.5 inch inlet/outlet
- 20 inch length
- 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
$136.99
$196.68
Only 3 left in Stock ?
$136.99
$196.68
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: Universal Fit
- Universal
- Stainless Steel
- 2.5 inch inlet/outlet
- 20 inch length
- 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!
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Dynomax Ultra Flo SS Muffler - 17267
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- Universal
- Stainless Steel
- 3 inch inlet/outlet
- 16 inch length
- 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
$123.99
$194.76
Only 3 left in Stock ?
$123.99
$194.76
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: Universal Fit
- Universal
- Stainless Steel
- 3 inch inlet/outlet
- 16 inch length
- 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!
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Dynomax Ultra Flo Welded Muffler - 17513
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
- Universal
- Stainless Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 25 inch length
- 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
$176.99
$217.82
Only 1 left in Stock ?
$176.99
$217.82
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
- Universal
- Stainless Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 25 inch length
- 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!
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Dynomax Ultra Flo Welded Muffler - 17517
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
- Universal
- Stainless Steel
- 3.5 inch inlet/outlet
- 19 inch length
- 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
$126.99
$158.61
Only 2 left in Stock ?
$126.99
$158.61
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
- Universal
- Stainless Steel
- 3.5 inch inlet/outlet
- 19 inch length
- 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
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Dynomax Hush Thrush Super Turbo Muffler - 17633
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
- 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
$56.99
$88.22
In-Stock Ships next business day ?
$56.99
$88.22
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
- 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
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Dynomax Hush Thrush Super Turbo Muffler - 17635
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
- 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
$62.99
$88.22
In-Stock Ships next business day ?
$62.99
$88.22
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
- 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
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Dynomax Mini Bullet Muffler Race Series - 24249
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- Mini Bullet Muffler
- Race Series
- Round
- 409 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
$27.99
$44.34
Only 3 left in Stock ?
$27.99
$44.34
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: Universal Fit
- Mini Bullet Muffler
- Race Series
- Round
- 409 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
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Dynomax Mini Bullet Muffler Race Series - 24250
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
- Mini Bullet Muffler
- Race Series
- Round
- 409 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
$28.99
$48.68
In-Stock Ships next business day ?
$28.99
$48.68
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
- Mini Bullet Muffler
- Race Series
- Round
- 409 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.
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Dynomax Mini Bullet Muffler Race Series - 24251
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
- Mini Bullet Muffler
- Race Series
- Round
- 409 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
$30.99
$44.44
Only 1 left in Stock ?
$30.99
$44.44
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
- Mini Bullet Muffler
- Race Series
- Round
- 409 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
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MBRP Quiet Tone Diesel Muffler - M1004
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
- Quiet Tone Diesel Muffler
- Round
- 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
$292.94
$389.11
In-Stock Ships next business day ?
$292.94
$389.11
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
- Quiet Tone Diesel Muffler
- 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!
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
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MBRP Quiet Tone Diesel Muffler - M1004S
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
- Quiet Tone Diesel Muffler
- Round
- 409 Stainless 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
$204.59
$271.75
In-Stock Ships next business day ?
$204.59
$271.75
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
- Quiet Tone Diesel Muffler
- Round
- 409 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.
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MBRP High Flow Muffler Assembly - M1031
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: 304 Stainless steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Length: 30 inch
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$278.99
$370.58
Only 3 left in Stock ?
$278.99
$370.58
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: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: 304 Stainless steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Length: 30 inch
- 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!
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
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MBRP Muffler - M91031
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
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: 409 stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Length: 30 inch
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$176.69
$234.69
In-Stock Ships next business day ?
$176.69
$234.69
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
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: 409 stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Length: 30 inch
- 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!
Lowest Price! Guaranteed! Request A Price Match
