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Offset 3 Inches/3 Inches Chambered We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Flowmaster Exhaust 40 Series Mufflers
Flowmaster Exhaust 40 Series MufflerFrom $99.95
- The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers the powerful ?Flowmaster Sound? you?ve heard so much about. If you really want to hear your exhaust system and that great muscle car tone ? from both inside and outside of the vehicle - the 40 Series is for you
- California Residents: WARNING
From $99.95
3.5
3.5
(6)
MagnaFlow Exhaust Aluminized Steel Mufflers
MagnaFlow Exhaust XL 3 Chamber Aluminized Steel MufflerFrom $114.00
- 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 $114.00
3.5
3.5
(14)
Borla Crate Mufflers
Borla Stainless Steel MufflerFrom $277.99
- 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 $277.99
BORLA ProXS Mufflers
Borla Borla Pro XS MufflerFrom $116.99
- Straight-through design
- Reversible
- Universal
- High-quality austenitic stainless steel
- California Residents: WARNING
From $116.99
DynoMax Thrush Welded Mufflers
Dynomax Exhaust Thrush Welded MufflerFrom $43.99
- Universal welded muffler
- 100% aluminized
- Deep tone
- California Residents: WARNING
From $43.99
5.0
5.0
(4)
Dynomax Exhaust Hush Thrush Super Turbo Muffler
Dynomax Exhaust Hush Thrush Super Turbo MufflerFrom $71.99
- Oval
- Stainless Steel
- California Residents: WARNING
From $71.99
From $399.95
4.1
4.1
(9)
11 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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Flowmaster 40 Series Muffler - 43043
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- 40 Series Muffler
- Aluminized Steel
- California Residents: WARNING
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We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$99.95
$112.00
In-Stock Ships next business day ?
$99.95
$112.00
In-Stock Ships next business day
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Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- 40 Series Muffler
- Aluminized Steel
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Borla CrateMuffler - 400840
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
- For High Horsepower SBC 350 & 383
- S-Type sound
- Offset inlet Offset outlet
- Oval
- 3" tubing diameter
- 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
$277.99
$310.99
Only 3 left in Stock ?
$277.99
$310.99
Only 3 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Universal Fit
- For High Horsepower SBC 350 & 383
- S-Type sound
- Offset inlet Offset outlet
- Oval
- 3" tubing diameter
- 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 - 400491
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- Offset/Offset
- 3 in. Offset Inlet
- 3 in. Offset Outlet
- 19 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
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We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$116.99
$129.99
Only 2 left in Stock ?
$116.99
$129.99
Only 2 left in Stock
?
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How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- Offset/Offset
- 3 in. Offset Inlet
- 3 in. Offset Outlet
- 19 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 Muffler - 717847
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
- 2019 Dodge Ram 1500, 5.7L, V8, 2/4 Wheel Drive, All Wheel Bases
- Direct-Fit, FlowFX Muffler, Mandrel Bent 3.00" 16 Gauge Tubing, FlowFX, 409S Stainless Steel.
- California Residents: WARNING
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We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$399.95
$445.00
In-Stock Ships next business day ?
$399.95
$445.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- 2019 Dodge Ram 1500, 5.7L, V8, 2/4 Wheel Drive, All Wheel Bases
- Direct-Fit, FlowFX Muffler, Mandrel Bent 3.00" 16 Gauge Tubing, FlowFX, 409S 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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Reset Password
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Enter email address to change your password
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MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13749
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
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Round
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$114.00
Only 3 left in Stock ?
$114.00
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
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Round
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Reset Password
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Dynomax Hush Thrush Super Turbo Muffler - 17636
- 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
$71.99
$97.70
On Backorder
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$71.99
$97.70
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
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- 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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Reset Password
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Enter email address to change your password
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Dynomax Thrush Welded Muffler - 17649
- Fitment: Universal Fit
- Thrush Welded Muffler
- Oval
- 304 Stainless Steel
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$43.99
$62.54
On Backorder
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$43.99
$62.54
On Backorder
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- Fitment: Universal Fit
- Thrush Welded Muffler
- Oval
- 304 Stainless Steel
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Reset Password
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Dynomax Thrush Welded Muffler - 17660
- Fitment: Universal Fit
- Universal welded muffler
- 100% aluminized
- Deep tone
- Offset 3.00 inch inlet
- Offset 3.00 inch outlet
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping on Orders Over $99
$48.99
$104.96
On Backorder
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$48.99
$104.96
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- Fitment: Universal Fit
- Universal welded muffler
- 100% aluminized
- Deep tone
- Offset 3.00 inch inlet
- Offset 3.00 inch outlet
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Reset Password
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Enter email address to change your password
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Borla CrateMuffler - 400841
- Fitment: Universal Fit
- For High Horsepower SBC 350 & 383
- ATAK sound
- Offset inlet Offset outlet
- Oval
- 3" tubing diameter
- 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
$305.99
$341.99
On Backorder
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$305.99
$341.99
On Backorder
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Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- For High Horsepower SBC 350 & 383
- ATAK sound
- Offset inlet Offset outlet
- Oval
- 3" tubing diameter
- 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
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Enter email address to change your password
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MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13239
- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
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Qualifies for Free Shipping
$137.00
$208.00
On Backorder
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$137.00
$208.00
On Backorder
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- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
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MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13269
- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$145.00
$219.65
On Backorder
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Email me when this product comes in stock
LOW PRICE GUARANTEE
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$145.00
$219.65
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- XL 3 Chamber Satin Stainless Steel Muffler
- Type Of Muffler: Chambered
- Inlet Location: Offset
- Outlet Location: Offset
- Muffler Material: Stainless Steel
- Number of Inlets: 1
- Number of Outlets: 1
- Muffler Shape: Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
