The AFE 49-04059 ATLAS 4" Downpipe-Back Exhaust System for your 2001-2010 GM 6.6L Duramax features a 4" mandrel-bent aluminized steel construction for maximum flow, increased horsepower, torque and lower EGT's. This system uses high quality band clamps, OE-style bayonet hangers and includes an adjustable hanger clamp for a tight secure fitment. This unit is available with a free-flowing aluminized muffler and uses all factory mounting locations this provides for a quick, hassle-free installation. ATLAS exhaust systems are the perfect combination of performance, fit and value. Exhaust tip not included.
Installation is a Snap:
This Atlas System Includes an extension pipe and an adjustable hanger for a perfect fit. This kit uses factory mounting locations providing stability and hassle-free installation.
A free-flowing aluminized muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.
High quality OE-style flange and band clamps are used for a complete 360 degree sealing surface.
Flow and Performance:
This ATLAS exhaust system is constructed of 4" mandrel-bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.
OE-style hangers with bayonet tip are used to maintain a stable pipe location during high vibration and high heat conditions.
- Turbo-Back Race Exhaust
- 4" Mandrel-Bent Aluminized Construction
- Aluminized Free-Flowing Performance Muffler
- Adjustable Hanger To Cover All Models From 2001-2010
- Uses Factory Mounting Points For A Hassle-Free Installation
Fitment Note: Fits Crew Cab/Short Bed, Crew Cab Long Bed, Extended Cab/Short Bed, & Extended Cab/Long Bed
Warning: On 2007.5-2010 models, this free-flowing race exhaust requires the use of an aftermarket performance programmer with off-road tuning.