Fits 2020 Thru 2021 Chevy Silverado/GMC Sierra LM2 Duramax Diesel 

AFE offers the Large Bore HD Series 3" DPF-Back Exhaust System for the 2020-22 LM2 3.0 Duramax diesel GM 1500 trucks. The 49-44128-series exhaust system is available with either polished or black 304 stainless steel 4.5" exhaust tips. Constructed from 409 stainless steel mandrel-bent tubing for optimal flow and sound.  

Features:

• 3" 409 Stainless Steel Construction: This DPF-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability.

• Interlock Flex Pipe: This DPF-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.

• Computer-Aided Design: Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.

• MIG-Welded: 100% MIG-Welded for race-proven strength and durability.

• Exhaust Gas Temperatures: Intercooled tubing provides reduction in exhaust gas temperatures.

Installation:

• Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.

Fitment:

• Crew Cab / Short Bed - 147.40" Wheelbase

• Extended Cab / Standard Bed - 147.4" Wheelbase 

• Crew Cab / Standard bed - 157" Wheelbase

Emissions Disclaimer:

• This product does not require a CARB EO#.