SKU: MFL17876

5 inch Cat-Back Exhaust Kit

Ships From Manufacturer in 3-5 Days
Confirmed fitment below
YEARS
2003-2007
MAKE / MODEL
Dodge RAM /
SERIES
2500/3500
ENGINE
5.9L Cummins 24V
Sale price
$817
Regular price
$1,290.66
SAVE $473.66
or
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Free Shipping
ORDERS $70+
Easy Returns
HASSLE-FREE
Earn Rewards
ALLIGATOR POINTS
Not sure this fits your build?
Our diesel experts know these trucks. Call or chat before you buy.
1-208-719-7400

WARNING: Cancer and Reproductive Harm -www.p65warnings.ca.gov

PRODUCT DETAIL

Key Features & Description

Features:

  • 5-inch mandrel-bent stainless steel tubing
  • Increases exhaust flow and reduces backpressure
  • Aggressive exterior tone with mild interior sound
  • Straight-through muffler enhances performance
  • Passenger-side rear exit with clean factory look
  • Dyno-proven performance gains
  • Direct-fit design for easy installation
  • No cutting or welding required
  • Built with corrosion-resistant stainless steel
  • CNC robotic welds ensure perfect fitment
  • Emissions legal in all 50 states
  • Designed for 2003–2007 5.9L Cummins models

Let Your Cummins Roar With Power And Style

If you're ready to give your 2003–2007 Dodge Ram 2500 or 3500 with the 5.9L Cummins the sound and performance it deserves, the MagnaFlow 17876 Cat-Back Exhaust Kit is the upgrade that delivers. This system is all about letting your truck breathe better and sound tougher without going over the top inside the cab. It gives you that deep, aggressive tone diesel owners crave while keeping things tame enough for long drives and everyday use. And when it comes to style, the passenger-side rear exit keeps the look clean and factory-inspired. No cutting, no welding, just a direct-fit installation that’s designed to go in smoothly with common hand tools. Built from premium stainless steel and finished to resist corrosion, this exhaust system holds up to harsh road conditions and years of abuse. Whether you're chasing more flow, a better sound, or just want your truck to stand out, this kit checks all the right boxes.

Built For Precision Fitment And Performance Efficiency

The MagnaFlow 17876 Pro Series Cat-Back Exhaust Kit is engineered specifically for the 2003–2007 Dodge Ram 2500 and 3500 with the 5.9L Cummins engine. It features a full 5-inch mandrel-bent stainless steel design that significantly reduces backpressure, improves exhaust flow, and helps lower exhaust gas temperatures for better engine efficiency. The straight-through muffler design balances performance gains with a powerful exhaust tone, making it ideal for those who want noticeable sound without sacrificing drivability. Precision CNC robotic welds ensure consistent, factory-level fit and finish across all key connection points. With a single exit behind the rear passenger-side tire, the system retains a clean and practical layout that complements the truck’s original styling. The emissions-legal design is approved in all 50 states, making it a smart choice for both performance and compliance. Designed as a true bolt-on kit, it offers easy installation and long-term durability for diesel enthusiasts who want serious gains with minimal hassle.

Fits: 2003, 2004, 2005, 2006, 2007 Dodge RAM 2500/3500 5.9L Cummins

Notes:

  • Designed for 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
  • Direct-fit system requires no cutting or welding
  • Emissions-legal and 50-state compliant
  • Provides aggressive exterior sound with minimal cabin noise
  • 5-inch tubing helps reduce exhaust gas temperatures
  • Passenger-side rear exit maintains a clean factory look
  • Mandrel-bent stainless steel for maximum durability
  • Precision CNC robotic welds ensure proper fitment
  • Intended for off-road and performance enthusiasts
  • Not compatible with 6.7L Cummins or newer model years

 

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2003-2007
Dodge RAM
2500/3500
5.9L Cummins 24V

CUSTOMER REVIEWS

What Buyers Say

Call a Diesel Expert, we'll find the right fit for your build

Not sure this part is right for your truck? Our team knows these platforms inside out. No hold music, no scripts.

Chat with Us