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Features, Description, Q&A, Specs & Installation
| Brand | AFE |
| Exhaust System Type | Filter-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 4.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Passenger Side - After Tire |
| Exhaust Loudness | Moderate |
High-Performance Exhaust. The AFE Rebel XD Series 4-Inch DPF-Back Exhaust System with Black Tips enhances exhaust flow for improved horsepower and torque. It is designed for diesel trucks and ensures efficient operation by lowering exhaust gas temperatures, making it essential for performance enthusiasts who demand reliability and power optimization.
Construction and Appearance. This exhaust system is made from durable 4-inch mandrel-bent stainless steel tubing for maximum flow and strength. It features black stainless steel straight-cut tips with intercooling vents and a laser-cut logo badge for aggressive styling and heat reduction at the tailpipe.
Installation. Installation is straightforward using factory mounting locations and OE-style bayonet hangers that ensure a secure and stable fitment. Cutting of the stock exhaust is necessary during installation.
Application. Designed specifically to fit 2017-2019 6.6L Duramax Sierra 2500 HD models. This exhaust system provides a direct fitment with all factory mounting points and maintains OE-style hanger stability for these vehicles.
AFE 49-44089-B
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
What's in the Box
S/A Overaxle (05-144316)
S/A Dual Tail Pipe (05-144317)
(2) 4" Band Clamp (05-41172)
(1) Plug: M14 (05-46020)
(1) Plug: M16 (05-46019)
Tech Guides:
Designed for Crew Cab Models
