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2.5 Inches/2.5 Inches We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
2.5 Inches/2.5 Inches We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! On Sale
29 Product Groups
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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 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)
Flowmaster 70 Series Big Block II Mufflers
Flowmaster Exhaust 70 Series Big Block II MufflerFrom $221.95
- Best suited for truck applications – quiet operation!
- Features three-chamber, Delta Flow Technology
- Constructed of 16-gauge aluminized steel
- Fully MIG-welded for maximum durability
- Covered by three year warranty
- California Residents: WARNING
From $221.95
4.5
4.5
(4)
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
Flowmaster Super 50 Series Delta Flow Mufflers
Flowmaster Super 50 Series Delta Flow MufflersFrom $185.95
- The most versatile muffler we make for a wide variety of applications
- Excellent choice for muscle cars and performance street machine
- Features three chamber Delta Flow Technology
- Constructed of 16-gauge aluminized steel or 409S Stainless Steek
- Fuly MIG-welded for maximum durability
- California Residents: WARNING
From $185.95
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)
BORLA XR-1 Sportsman Racing Mufflers
Borla XR-1 Stainless Sportsman Racing MufflersFrom $149.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $149.99
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)
BORLA ProXS Mufflers
Borla Borla Pro XS MufflerFrom $115.99
- Straight-through design
- Reversible
- Universal
- High-quality austenitic stainless steel
- California Residents: WARNING
From $115.99
DynoMax Super Turbo Performance Mufflers
Dynomax Exhaust Super Turbo MufflerFrom $64.99
- Type Of Muffler: Turbo Style
- Muffler Material: Aluminized
- California Residents: WARNING
From $64.99
MagnaFlow Glass Pack Exhaust Mufflers
MagnaFlow Exhaust Glass Pack MufflerFrom $58.00
- Center/Center
- California Residents: WARNING
From $58.00
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 Ultra Flo Welded Universal Muffler
Dynomax Exhaust Ultra Flo Welded Universal MufflerFrom $176.99
- Universal
- Stainless steel
- California Residents: WARNING
From $176.99
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)
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 $136.99
- Stainless Steel
- Universal
- Oval
- California Residents: WARNING
From $136.99
5.0
5.0
(5)
Dynomax Exhaust Thrush Turbo Mufflers
Dynomax Exhaust Thrush Turbo MufflerFrom $49.99
- Universal
- Aluminized steel
- California Residents: WARNING
From $49.99
3.5
3.5
(4)
Flowmaster Exhaust 10 Series Delta Force Race Muffler
Flowmaster Exhaust 10 Series Delta Force Race MufflerFrom $133.95
- The 10 Series race single chamber mufflers are intended for racing applications and utilize Flowmaster's patented Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. The 10 Series will provide a noticeable dB reduction over open headers
- California Residents: WARNING
From $133.95
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
Dynomax Exhaust Installer Turbo Muffler
Dynomax Exhaust Installer Turbo MufflerFrom $43.99
- Oval
- Aluminized and Stainless Steel
- California Residents: WARNING
From $43.99
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
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
Dynomax Exhaust Ultra Flo Welded Muffler Assembly
Dynomax Exhaust Ultra Flo Welded Muffler AssemblyFrom $280.99
- Welded Muffler Assembly
- 409 Stainless Steel
- California Residents: WARNING
From $280.99
134 Products
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4WP PROTECTION PLAN
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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
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We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$242.99
$271.99
Only 4 left in Stock ?
$242.99
$271.99
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EASY RETURNS
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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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MagnaFlow Satin Stainless Steel Muffler - 11386
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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Dual
- Outlet Location: Dual
- Muffler Material: Stainless Steel
- Number of Inlets: 2
- Number of Outlets: 2
- Muffler Shape: Oval
- 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!
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Qualifies for Free Shipping
$152.00
$231.66
In-Stock Ships next business day ?
$152.00
$231.66
In-Stock Ships next business day
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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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Dual
- Outlet Location: Dual
- Muffler Material: Stainless Steel
- Number of Inlets: 2
- Number of Outlets: 2
- 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!
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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
?
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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
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$96.99
$200.38
Only 4 left in Stock ?
$96.99
$200.38
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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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4WP PROTECTION PLAN
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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
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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
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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!
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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 - 17222
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 2.5 inch inlet
- Offset 2.5 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!
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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 2.5 inch inlet
- Offset 2.5 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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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!
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Qualifies for Free Shipping
$136.99
$196.68
Only 3 left in Stock ?
$136.99
$196.68
Only 3 left in Stock
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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!
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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
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We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$176.99
$217.82
Only 1 left in Stock ?
$176.99
$217.82
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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!
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Dynomax Installer Turbo Muffler - 17615
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
- Installer Turbo
- Muffler
- Universal
- Oval
- California Residents: WARNING + View More Specs - View Less Specs
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$43.99
$52.77
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$43.99
$52.77
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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
- Installer Turbo
- Muffler
- Universal
- 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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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!
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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!
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Dynomax Super Turbo Muffler - 17676
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
- Aluminized Steel
- 2.5 inch inlet/outlet (same side)
- 15.5 inch length
- 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!
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Qualifies for Free Shipping on Orders Over $99
$94.99
$208.16
Only 1 left in Stock ?
$94.99
$208.16
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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
- Aluminized Steel
- 2.5 inch inlet/outlet (same side)
- 15.5 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 Thrush Turbo Muffler - 17696
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
- Aluminized Steel
- Offset 2.5 inch inlet/outlet
- 18.5 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
$66.99
$68.42
Only 1 left in Stock ?
$66.99
$68.42
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
- Aluminized Steel
- Offset 2.5 inch inlet/outlet
- 18.5 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 Thrush Turbo Muffler - 17715
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
- Aluminized Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 18.5 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
$49.99
$64.88
In-Stock Ships next business day ?
$49.99
$64.88
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
- Aluminized Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 18.5 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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Enter email address to change your password
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Dynomax Thrush Turbo Muffler - 17718
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
- Aluminized 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 on Orders Over $99
$65.99
$95.86
Only 1 left in Stock ?
$65.99
$95.86
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
- Aluminized 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!
Sign In Or Create an Account
Reset Password
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Enter email address to change your password
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Dynomax Super Turbo Muffler - 17733
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: Turbo Style
- Inlet Location: Side
- Outlet Location: Center
- Muffler Material: Aluminized
- 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
$64.99
$124.84
In-Stock Ships next business day ?
$64.99
$124.84
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: Turbo Style
- Inlet Location: Side
- Outlet Location: Center
- Muffler Material: Aluminized
- 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!
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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Add to Wishlist
Dynomax Super Turbo Muffler - 17734
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
- Aluminized Steel
- Offset 2.5 inch inlet/outlet
- 18.5 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
$67.99
$123.60
In-Stock Ships next business day ?
$67.99
$123.60
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
- Aluminized Steel
- Offset 2.5 inch inlet/outlet
- 18.5 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
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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Add to Wishlist
Dynomax Super Turbo Muffler - 17748
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
- Aluminized Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 25.5 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
$88.99
$159.08
In-Stock Ships next business day ?
$88.99
$159.08
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
- Aluminized Steel
- Offset 2.5 inch inlet
- 2.5 inch outlet
- 25.5 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
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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Add to Wishlist
Dynomax Super Turbo Muffler - 17749
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: Turbo Style
- Inlet Location: Side
- Outlet Location: Side
- Muffler Material: Aluminized
- 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
$84.99
$184.34
In-Stock Ships next business day ?
$84.99
$184.34
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: Turbo Style
- Inlet Location: Side
- Outlet Location: Side
- Muffler Material: Aluminized
- 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!
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 Glass Pack Muffler - 24214
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
- Steel
- Red
- 2.5 inch inlet/outlet
- 28 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
$28.99
$64.88
In-Stock Ships next business day ?
$28.99
$64.88
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
- Steel
- Red
- 2.5 inch inlet/outlet
- 28 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
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 Race Bullet Muffler - 24215
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
- Aluminized Steel
- 2.5 inch inlet/outlet
- 16.5 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
$83.99
$120.40
Only 3 left in Stock ?
$83.99
$120.40
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
- Aluminized Steel
- 2.5 inch inlet/outlet
- 16.5 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
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 - 40348
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
- Borla Pro XS Muffler
- Center/Dual
- Oval
- 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
$165.99
$184.99
Only 2 left in Stock ?
$165.99
$184.99
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
- Borla Pro XS Muffler
- Center/Dual
- 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
Borla Pro XS Muffler - 40352
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
- Borla Pro XS Muffler
- Offset/Offset
- Oval
- 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
$115.99
$128.99
Only 1 left in Stock ?
$115.99
$128.99
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
- Borla Pro XS Muffler
- Offset/Offset
- 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
Borla Pro XS Muffler - 40358
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
- Borla Pro XS Muffler
- Center/Offset
- Oval
- 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
$115.99
$128.99
Only 2 left in Stock ?
$115.99
$128.99
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
- Borla Pro XS Muffler
- Center/Offset
- 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
Borla Pro XS Muffler - 40364
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
- Borla Pro XS Muffler
- Center/Center Oval
- 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
$115.99
$130.65
Only 1 left in Stock ?
$115.99
$130.65
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
- Borla Pro XS Muffler
- Center/Center 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
