Maximize power and flow in your 2017 GM 6.6L Duramax L5P with the AFE 49-04087 ATLAS 5" Downpipe-Back Race Exhaust System. Constructed from 5" mandrel-bent aluminized steel tubing, this kit uses high quality band clamps, and OE-style bayonet hangers for an easy, bolt-on installation
Simple Installation
All systems use factory mounting locations providing stability and hassle-free installation.
Leak-Free Seal:
High quality band clamps are included for a complete 360 degree sealing surface.
OE Fit:
OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time.
Flow and Performance:
This ATLAS exhaust system is constructed of 5" mandrel-bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.
High Flow Aluminized Muffler:
This aluminized steel performance muffler is designed to provide a deep, throaty, powerful sound on acceleration, but maintain a smooth sound at idle. This muffler is constructed of aluminized steel and uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow. You will see increased performance and improved throttle response over the factory exhaust. Also featuring a stamped aFe POWER logo for an aggressive style. Muffler Specifications: 5" Center Inlet /Outlet, 7" Round x 24" L Body Diameter.
FEATURES:
5" Aluminized Steel Construction
Free-Flowing Performance Muffler
Uses Factory Mounting Locations For Hassle-Free Installation
Fitments Notes:
Crew Cab/Short Bed: 153.7" Wheelbase
Crew Cab/Long Bed: 167.7" Wheelbase
All Cabs & Beds applies to GM 2500HD/3500HD Pickups. This system is not intended for use on Cab & Chassis models. This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.
