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4 Inches/4 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!
4 Inches/4 Inches We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! On Sale
12 Product Groups
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MagnaFlow Performance Stainless Steel Mufflers
MagnaFlow Exhaust Street Performance Stainless Steel Muffler With TipsFrom $154.00
- Delivers a Smooth, Deep Tone
- 100% Stainless Steel
- Mufflers are Bi-Directional
- Lifetime Warranty
- California Residents: WARNING
From $154.00
4.5
4.5
(495)
MBRP Quiet Tone Diesel Muffler
MBRP Quiet Tone Diesel MufflerFrom $199.94
- These Mufflers are designed to provide you maximum performance with minimum sound.
- California Residents: WARNING
From $199.94
5.0
5.0
(1)
BORLA XR-1 Sportsman Racing Mufflers
Borla XR-1 Stainless Sportsman Racing MufflersFrom $192.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $192.99
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 $319.00
- 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 $319.00
3.7
3.7
(18)
Dynomax Exhaust Bullet Muffler Race Series
Dynomax Exhaust Bullet Muffler Race SeriesFrom $72.99
- Bullet Muffler
- Race Series
- Round
- 409 Stainless Steel & Aluminized
- California Residents: WARNING
From $72.99
5.0
5.0
(2)
BORLA XR-1 Multi-Core Racing Mufflers
Borla XR-1 Stainless Multicore Racing MufflersFrom $348.99
- XR-1 Stainless Multicore Racing Mufflers
- Round
- Off Road Use Only
- California Residents: WARNING
From $348.99
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
MBRP High Flow Muffler Assembly
MBRP High Flow Muffler AssemblyFrom $255.74
- These Mufflers are designed to provide you maximum performance with minimum sound.
- California Residents: WARNING
From $255.74
5.0
5.0
(1)
Flowmaster Exhaust Outlaw Series Race Muffler
Flowmaster Exhaust Outlaw Series Race MufflerFrom $154.95
- 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 $154.95
5.0
5.0
(5)
Corsa Performance Exhaust dB Series Diesel Muffler
Corsa Performance Exhaust dB Series Diesel MufflerFrom $519.99
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4.02 in.
- Outlet Tube Size: 4 in.
- Muffler Material: Stainless Steel
- California Residents: WARNING
From $519.99
31 Products
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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 Race Bullet Muffler - 24217
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
- 4 inch inlet/outlet
- 16.5 inch length
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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
$72.99
$134.18
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$72.99
$134.18
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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
- 4 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!
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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
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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
$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!
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MBRP Quiet Tone Diesel Muffler - M1004A
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
- Aluminum
- 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
$199.94
$265.58
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$199.94
$265.58
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
- Aluminum
- 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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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!
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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!
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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
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 High Flow Muffler Assembly - MK96116
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
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Aluminized
- 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
$255.74
$339.69
Only 4 left in Stock ?
$255.74
$339.69
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
- Type Of Muffler: Straight Through
- Inlet Tube Size: 4 inch
- Outlet Tube Size: 4 inch
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Aluminized
- 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!
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Reset Password
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Enter email address to change your password
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Borla XR-1 Stainless Sportsman Racing Muffler - 40947
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 XR-1 Stainless Sportsman Racing Mufflers
- 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
$192.99
$215.99
Only 1 left in Stock ?
$192.99
$215.99
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 XR-1 Stainless Sportsman Racing Mufflers
- 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
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Banks Power Monster Muffler - 53800
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
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$319.00
$354.44
Only 4 left in Stock ?
$319.00
$354.44
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
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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MagnaFlow Satin Stainless Steel Muffler - 12770
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: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$154.00
$234.51
In-Stock Ships next business day ?
$154.00
$234.51
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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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Reset Password
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Enter email address to change your password
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MagnaFlow Satin Stainless Steel Muffler - 12771
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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$181.00
$275.56
Only 4 left in Stock ?
$181.00
$275.56
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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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MagnaFlow Satin Stainless Steel Muffler - 12772
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: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$185.00
$281.51
In-Stock Ships next business day ?
$185.00
$281.51
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
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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MagnaFlow Satin Stainless Steel Muffler - 12773
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: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$193.00
$293.29
In-Stock Ships next business day ?
$193.00
$293.29
In-Stock Ships next business day
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Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Stainless Steel Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Round
- California Residents: WARNING + View More Specs - View Less Specs
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MagnaFlow Race Series Stainless Steel Muffler - 14162
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
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Only 1 left in Stock ?- Fitment: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Polished 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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Qualifies for Free Shipping
$187.00
$284.70
Only 1 left in Stock ?
$187.00
$284.70
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
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- Muffler Material: Polished 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!
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Dynomax Ultra-Flo Welded Muffler - 17537
- 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
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Qualifies for Free Shipping
$137.99
$179.66
On Backorder
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$137.99
$179.66
On Backorder
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- 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!
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Dynomax Ultra-Flo Welded Muffler - 17557
- Fitment: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Location: Side
- Outlet Location: Side
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Body Diameter: 8 1/4 x 11 1/2
- Muffler Shape: Oval
- California Residents: WARNING + View More Specs - View Less Specs
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$156.99
$204.05
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$156.99
$204.05
On Backorder
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- Fitment: Universal Fit
- Type Of Muffler: Straight Through
- Inlet Location: Side
- Outlet Location: Side
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Body Diameter: 8 1/4 x 11 1/2
- 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!
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 - 21172
- 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!
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Qualifies for Free Shipping
$107.99
$134.38
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$107.99
$134.38
On Backorder
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- 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!
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Dynomax Ultra-Flo Welded Muffler - 22572
- 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
$142.99
$158.21
On Backorder
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$142.99
$158.21
On Backorder
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- 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!
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Borla XR-1 Stainless Multicore Racing Muffler - 40741
- Fitment: Universal Fit
- Borla XR-1 Stainless Multicore Racing Mufflers
- Round
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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$348.99
$390.99
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$348.99
$390.99
On Backorder
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- Fitment: Universal Fit
- Borla XR-1 Stainless Multicore 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 XR-1 Stainless Sportsman Racing Muffler - 40948
- Fitment: Universal Fit
- Borla XR-1 Stainless Sportsman Racing Mufflers
- Oval
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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$216.99
$242.99
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$216.99
$242.99
On Backorder
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- Fitment: Universal Fit
- Borla XR-1 Stainless Sportsman Racing Mufflers
- 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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Borla XR-1 Stainless Multicore Racing Muffler - 400069
- Fitment: Universal Fit
- Borla XR-1 Stainless Multicore Racing Mufflers
- Oval
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$359.99
$399.99
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$359.99
$399.99
On Backorder
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LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Borla XR-1 Stainless Multicore Racing Mufflers
- 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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Banks Power Monster Muffler - 53274
- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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Qualifies for Free Shipping
$359.00
$398.89
On Backorder
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$359.00
$398.89
On Backorder
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- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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Reset Password
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Banks Power Monster Muffler - 53509
- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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Qualifies for Free Shipping
$319.00
$354.44
On Backorder
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$319.00
$354.44
On Backorder
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LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
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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Reset Password
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Enter email address to change your password
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Banks Power Monster Muffler - 53510
- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$319.00
$354.44
On Backorder
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LOW PRICE GUARANTEE
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LOW PRICE GUARANTEE
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$319.00
$354.44
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Monster Muffler
- Type Of Muffler: Straight Through
- Inlet Location: Centered
- Outlet Location: Centered
- 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!
Lowest Price! Guaranteed! Request A Price Match
