AFE Power Atlas 4" Aluminized Downpipe Back Exhaust System
49-04059 / 49-04059NM
•Constructed of 4" mandrel-bent aluminized steel tubing for maximum flow
•A unique high quality OE style flange is used for a complete 360 degree sealing surface
•OE style bayonet hangers are used to maintain a stable pipe location
•Uses factory mounting locations providing stability and a hassle-free installation
•Adjustable hanger to cover all models
Interested in a new exhaust system for your 2001-2010 Duramax? Check out the ATLAS down-pipe back side exit exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing for maximum flow increased horsepower, increased 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.
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.
Aluminized Muffler Option:
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 EGT’s.
OE-style hangers with bayonet tip are used to maintain a stable pipe location during high vibration and high heat conditions.
This system fits:
Crew Cab/Short Bed, Crew Cab Long Bed, Extended Cab/Short Bed, & Extended Cab/Long Bed
Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. This system also requires an aftermarket electronic module to work properly with the vehicle.
All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility.
2001 - 2004
2004.5 - 2005
2006 - 2007