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Home
Alloy USA
Dynomax Exhaust
On Sale
Performance Parts

2.5 Inches/2.5 Inches Alloy USA/Dynomax Exhaust Performance Parts

REFINE BY:

Your Selection

Tube Size (Inlet
2.5 Inches/2.5 Inches
Brand
Alloy USA
Dynomax Exhaust
PartType
Exhaust Muffler

Brand

Banks Power (3)
Flowmaster Exhaust (12)
MagnaFlow Exhaust (6)

Fitment

Universal Fit (15)

Inlet Location

Centered (2)
Dual Offset (1)
Offset (10)
Stock (2)

Material

Aluminized Steel (3)
Stainless Steel (12)

Outlet Location

Stock (2)
Centered (8)
Dual Offset (3)
Offset (2)

Type of Muffler

Baffled (2)
Straight Through (10)
Turbo (3)

Price Range

$1 to $99 (5)
$100 to $199 (4)
$200 to $299 (4)
$300 to $399 (1)
$400 to $499 (1)

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2.5 Inches/2.5 Inches Alloy USA/Dynomax Exhaust On Sale

5 Product Groups

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DynoMax Super Turbo Performance Mufflers

Dynomax Exhaust Super Turbo Muffler

From $64.99

Type Of Muffler: Turbo Style
Muffler Material: Aluminized
California Residents: WARNING

From $64.99

Dynomax Exhaust Ultra Flo Welded Universal Muffler

From $176.99

Universal
Stainless steel
California Residents: WARNING

From $176.99

5.0 5.0 (2)

Dynomax Exhaust Ultra Flo SS Muffler

From $136.99

Stainless Steel
Universal
Oval
California Residents: WARNING

From $136.99

5.0 5.0 (5)

Dynomax Exhaust Ultra Flo Welded Muffler Assembly

From $280.99

Welded Muffler Assembly
409 Stainless Steel
California Residents: WARNING

From $280.99

Dynomax Exhaust Ultra Flo X Muffler

From $211.99

Universal
Stainless steel
California Residents: WARNING

From $211.99

15 Products

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4WP PROTECTION PLAN

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Dynomax Ultra-Flo Welded Muffler - 17219

Part Number: DYN17219

Dynomax Ultra-Flo Welded Muffler - 17219

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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
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$90.99

$191.04

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Dynomax Ultra-Flo Welded Muffler - 17219

Part #: DYN17219

$90.99

$191.04

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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

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PROMOTIONS AUTOMATICALLY APPLIED

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4WP PROTECTION PLAN

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Dynomax Ultra Flo Welded Muffler - 17222

Part Number: DYN17222

Dynomax Ultra Flo Welded Muffler - 17222

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Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
Offset 2.5 inch outlet
19 inch length
California Residents: WARNING

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$90.99

$191.04

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Dynomax Ultra Flo Welded Muffler - 17222

Part #: DYN17222

$90.99

$191.04

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Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
Offset 2.5 inch outlet
19 inch length
California Residents: WARNING

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- 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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Part Number: DYN17263

Dynomax Ultra Flo SS Muffler - 17263

5.0 5.0 (1)

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Fitment: Universal Fit
Universal
Stainless Steel
2.5 inch inlet/outlet
20 inch length
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$136.99

$196.68

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Dynomax Ultra Flo SS Muffler - 17263

Part #: DYN17263

5.0 5.0 (1)

$136.99

$196.68

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LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

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Only 3 left in Stock ?

Fitment: Universal Fit
Universal
Stainless Steel
2.5 inch inlet/outlet
20 inch length
California Residents: WARNING

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- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

SHOP 4WP's HUGE SELECTION

4WP PROTECTION PLAN

Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!

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Dynomax Ultra Flo Welded Muffler - 17513

Part Number: DYN17513

Dynomax Ultra Flo Welded Muffler - 17513

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Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
2.5 inch outlet
25 inch length
California Residents: WARNING

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Qualifies for Free Shipping

$176.99

$217.82

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Dynomax Ultra Flo Welded Muffler - 17513

Part #: DYN17513

$176.99

$217.82

Only 1 left in Stock ?

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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!

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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Part Number: DYN17733

Dynomax Super Turbo Muffler - 17733

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Ship to Home:

In-Stock Ships today ?

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

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$64.99

$124.84

In-Stock Ships today ?

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Dynomax Super Turbo Muffler - 17733

Part #: DYN17733

$64.99

$124.84

In-Stock Ships today ?

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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:

In-Stock Ships today ?

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!

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Part Number: DYN17748

Dynomax Super Turbo Muffler - 17748

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In-Stock Ships today ?

Fitment: Universal Fit
Universal
Aluminized Steel
Offset 2.5 inch inlet
2.5 inch outlet
25.5 inch length
California Residents: WARNING

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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 today ?

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EASY RETURNS

Dynomax Super Turbo Muffler - 17748

Part #: DYN17748

$88.99

$159.08

In-Stock Ships today ?

+ Add to Wishlist

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 today ?

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!

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Part Number: DYN17749

Dynomax Super Turbo Muffler - 17749

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

In-Stock Ships today ?

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 today ?

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Dynomax Super Turbo Muffler - 17749

Part #: DYN17749

$84.99

$184.34

In-Stock Ships today ?

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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:

In-Stock Ships today ?

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!

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Dynomax Ultra-Flo Welded Muffler - 17234

Part Number: DYN17234

Dynomax Ultra-Flo Welded Muffler - 17234

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On Backorder

Fitment: Universal Fit
Type Of Muffler: Straight Through
Inlet Location: Center Inlet
Outlet Location: Dual Outlet
Muffler Material: Stainless Steel
Number of Inlets: 2
Number of Outlets: 2
Muffler Shape: Oval
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

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Qualifies for Free Shipping

$305.99

$371.41

On Backorder

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Dynomax Ultra-Flo Welded Muffler - 17234

Part #: DYN17234

$305.99

$371.41

On Backorder

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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:

On Backorder

Fitment: Universal Fit
Type Of Muffler: Straight Through
Inlet Location: Center Inlet
Outlet Location: Dual Outlet
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!

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 - 17236

Part Number: DYN17236

Dynomax Ultra Flo Welded Muffler - 17236

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Free! Curbside & In-Store Pickup: Select A Store Near You

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Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
Center 2.5 inch outlet
29 inch length
California Residents: WARNING

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$177.99

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Dynomax Ultra Flo Welded Muffler - 17236

Part #: DYN17236

$177.99

On Backorder

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
Center 2.5 inch outlet
29 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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Part Number: DYN17283

Dynomax Ultra Flo SS Muffler - 17283

5.0 5.0 (1)

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo SS
Muffler
Universal
Oval
Street
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

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Qualifies for Free Shipping

$137.99

$157.92

On Backorder

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EASY RETURNS

Dynomax Ultra Flo SS Muffler - 17283

Part #: DYN17283

5.0 5.0 (1)

$137.99

$157.92

On Backorder

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+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo SS
Muffler
Universal
Oval
Street
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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Part Number: DYN17289

Dynomax Ultra Flo SS Muffler - 17289

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
2.5 inch outlet
25 inch length
California Residents: WARNING

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- 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

$270.99

$297.09

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Dynomax Ultra Flo SS Muffler - 17289

Part #: DYN17289

$270.99

$297.09

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Universal
Stainless Steel
Offset 2.5 inch inlet
2.5 inch outlet
25 inch length
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

SHOP 4WP's HUGE SELECTION

4WP PROTECTION PLAN

Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Part Number: DYN17553

Dynomax Ultra-Flo X Muffler - 17553

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Type Of Muffler: Straight Through
Inlet Location: Dual Inlet
Outlet Location: Dual Outlet
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!

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$211.99

$261.26

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Dynomax Ultra-Flo X Muffler - 17553

Part #: DYN17553

$211.99

$261.26

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Type Of Muffler: Straight Through
Inlet Location: Dual Inlet
Outlet Location: Dual Outlet
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!

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Part Number: DYN17556

Dynomax Ultra Flo SS Muffler - 17556

5.0 5.0 (1)

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo SS
Muffler
Direct-Fit
Oval
2.5 ID
Stainless Steel Spouts
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

$461.67

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Dynomax Ultra Flo SS Muffler - 17556

Part #: DYN17556

5.0 5.0 (1)

$461.67

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo SS
Muffler
Direct-Fit
Oval
2.5 ID
Stainless Steel Spouts
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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Dynomax Ultra Flo Welded Muffler Assembly - 54778

Part Number: DYN54778

Dynomax Ultra Flo Welded Muffler Assembly - 54778

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo
Welded Muffler Assembly
Oval
409 Stainless Steel
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$280.99

$334.29

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Dynomax Ultra Flo Welded Muffler Assembly - 54778

Part #: DYN54778

$280.99

$334.29

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Ultra Flo
Welded Muffler Assembly
Oval
409 Stainless Steel
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

SHOP 4WP's HUGE SELECTION

4WP PROTECTION PLAN

Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!

No, thanks