Duramax Exhaust Systems

GM DURAMAX 3.0L DURAMAX LM2

The void that has been lacking in GM’s lineup for years was filled by the 3.0L Duramax powered Silverado and Sierra’s. Other manufactures have released half ton diesels for quite some time now, and finally its GM’s turn. While the 3.0L Duramax delivers impressive fuel economy gains and decent power out of the box, it’s quite capable of being further improved, and one way to do this is by upgrading the factory exhaust system.

Here are some great options for exhaust systems for your 20-22 GM 1500 DURAMAX 3.0L DURAMAX LM2.

AFE LARGE BORE-HD 409 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

AFE LARGE BORE-HD 409 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2
AFE LARGE BORE-HD 409 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

The AFE 49-42074-B Large Bore HD 5″ DPF-Back Exhaust System will improve the sound and enhance the style of your 2019-2021 Ram 6.7L Cummins. This exhaust features 5″ mandrel bent steel for maximum flow and steel is constructed out of MIG welded stainless steel to the last the life of your truck. Included with this exhaust system is a 7″ stainless-steel clamp-on exhaust tip that has been black powder coated and this kit uses factory style hangers that means installation of this exhaust system is quick and easy.

Features:

Made in the USA

7″ Black Exhaust Tip

5″ Mandrel Bent Stainless-Steel

PPE CAT BACK EXHAUST KIT 20-21 GM 3.0L DURAMAX LM2

A new exhaust is a smart upgrade, and with PPE Cat Back Exhaust your truck will get increased fuel economy, reduced back pressure at the manifolds, more power, and quicker engine response.

Duramax Exhaust Systems
PPE CAT BACK EXHAUST KIT 20-21 GM 3.0L DURAMAX LM2

This easy-to-install kit is made with high-quality, mandrel bent 304 stainless steel tubing which utilizes OEM hanger locations, replacing your OEM exhaust system from the catalytic converter back to the tailpipe. The 304 stainless steel tubing is available in your choice of raw or fully-polished finish. Tips are available in a ceramic coated black or a fully-polished finish.

Features:

  • Complete, easy to install bolt-on system – no cutting or welding necessary
  • 5” exhaust tip with 4” 304 stainless steel mandrel-bent tubing
  • Interlocking 304 stainless steel woven exhaust bellows
  • Limited lifetime warranty

AFE VULCAN 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

Its aggressive, sleek and you can’t go wrong with AFE’s Vulcan Stainless Steel DPF-Back Exhaust for your 3.0L Duramax, especially if you’re looking for an aesthetic solution that will give you all the benefits in an exhaust you need to enhance the back of your truck.

AFE VULCAN 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2 - Duramax Exhaust Systems
AFE VULCAN 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

This DPF-back exhaust system is constructed of 3″ mandrel-bent 304 stainless steel tubing for maximum strength and durability. Finishing the exhaust system are quad 4″ diameter polished 304 stainless steel exhaust tips. The tips feature a laser etched aFe POWER logo. It’s 100% MIG-Welded for race-proven strength and durability. It also features intercooled tubing provides reduction in exhaust gas temperatures.

Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. This exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.

Fitment Note:

  • Crew Cab / Short Bed – 147.4″ Wheelbase
  • Extended Cab / Standard Bed – 147.4″ Wheelbase
  • Crew Cab / Standard bed – 157″ Wheelbase

AFE REBEL XD SERIES 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

Unleash the inner rebel and power on your GM 1500 3.0L Duramax with this 3 ½” dual tip DPF-Back Exhaust from aFe. This exhaust system is designed to look as good as it sounds with its stainless steel, mandrel bent construction for maximum flow. It’s finished off with a choice of a black or polished dual tip for the type of look you want on your truck.

AFE REBEL XD SERIES 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2 - Duramax Exhaust Systems
AFE REBEL XD SERIES 304 STAINLESS STEEL DPF-BACK EXHAUST 20-21 GM 1500 DURAMAX 3.0L LM2

This DPF-back exhaust system is constructed of 3″ mandrel-bent 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 3-1/2″ diameter black 304 stainless steel middle-side exit exhaust tips. The tips features a laser etched aFe POWER logo. Lastly, this exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.

Features:

  • Constructed from 3″ Mandrel-Bent 304 Stainless Steel Tubing
  • 3-1/2″ Diameter Polished 304 Stainless Steel Exhaust Middle-Side Exit Tips
  • Utilizes Factory Style Hangers for a Secure Fit
  • 100% MIG-Welded for Strength and Durability
  • All Necessary Hardware is Included for a Hassle-Free Installation

Summary

For a truck that’s already bad***, any of these exhaust systems are surely a great addition to your Duramax. Unlock hidden power and potential, taking it truly to the next level.