Free Shipping on Orders Over $100

Shop at a Dealer Near You

Phone

877-216-5446

New

Home
Performance
Exhausts & Mufflers
Mufflers

Select Your Vehicle

Select Your Vehicle

Year

Make

Model

Body

Bed

Engine

2008 Peterbilt 388 Mufflers

Only display items that ship the quickest

Moderate

Loud

Quiet

Stainless Steel

Aluminized Steel

Flow-Through

Chambered

Glasspack

Flowmaster

Magnaflow

Borla

MBRP

Street Series

BBK

Gibson

Pypes

Aero Exhaust

Raw

Black

Chrome/Polished

Polished

Oval

Round

Gas

Aggressive

31 - 41 of 41 results

Sort By

Flowmaster 50 Series Big Block Mufflers

5

From: $290.95

Flowmaster 80 Series Cross-Flow Mufflers

From: $180.95

Pypes Violator Series Mufflers

From: $106.79

Flowmaster 40 Series Delta Flow Mufflers

1

From: $145.95

AERO Exhaust Aero Turbine Performance Mufflers

From: $219.99

Gibson Performance Superflow CFT Mufflers

4

From: $124.66

Flowmaster dBX Series Laminar Flow Mufflers

From: $159.85

Pypes Street Pro Series Mufflers

From: $106.79

Street Series Street Flow Stainless Mufflers

From: $79.99

Street Series Street Flow Mufflers

1

From: $39.99

AERO Exhaust AR Series Resonators

1

From: $89.99

Prev
1
2

instagram

youtube

tiktok

GET ON THE LIST

Get exclusive savings, insider information, and the latest RealTruck articles sent straight to your inbox.

Shipping to:

ABOUT

Supplier Code of Conduct

Supplier Terms and Conditions

Become a Dealer

Detroit Flagship Store

PRODUCTS

Installation Guides

New Product Ideas

REALTRUCK PEOPLE

Corporate Donations

Trail Access Program

INTERNATIONAL

RealTruck Australia

RealTruck Mexico

RealTruck Thailand

CUSTOMER SERVICE

Order Information

Shipping Information

Warranty Registration

Brand Warranty Policies

© 2026 RealTruck. All rights reserved.

Terms and Conditions