aFe 20-23 GM 2500/3500HD 6.6L 4" 409 SS Cat-Back Exhaust System

4" 409 Stainless Steel Construction:
This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability.

High-Flow 409 Stainless Steel Muffler:
This system features a high-flow 409 stainless steel muffler, producing a deep sound.

5" Diameter Polished Intercooled Exhaust Tip:
Finishing off this exhaust system is a 5" diameter polished 409 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style.

Deep Sound:
This system produces a deep sound unleashing all available horsepower and torque.

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

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.

Fitment Note:
Regular Cab/Long Bed - 141.5" Wheelbase
Extended Cab/Short Bed - 162.5" Wheelbase
Crew Cab/Long Bed - 172" Wheelbase

Emissions Disclaimer:
This product does not require a CARB EO#.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.