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Interested in a new exhaust system for your 2001-2007 Duramax? Check out the Atlas Downpipe-Back dual side exit exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers comes with a bolt-on bracket. This unit uses all factory mounting locations this provides for a quick, hassle-free installation with no modification necessary. Also included in this exhaust system are massive dual 6" high temp powder coated, wrinkle black tips with laser-cut stainless steel aFe power badges. Atlast exhaust systems are the perfect combination of performance, fit, and value.

Installation is a Snap:
All systems use factory mounting locations providing stability and a hassle-free installation.

Leak-Free Seal:
High quality OE-style flange and band clamps are used for a complete 360-degree sealing surface.

Fits With Spare Tire:
This exhaust system fits perfectly without removing the spare tire.
                                                                                                                                                                                                                                                                                    Flow and Performance:
This Atlas exhaust system is constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT.
                                                                                                                                                                                                                                                                               OE Fitment:
OE-style hangers with bayonet tip are used to maintain a stable pipe location during high vibration and high heat conditions.
                                                                                                                                                                                                                                                                                                             Massive 6" Black Tips:
Finishing off the exhaust are dual powder-coated high temp black 304 stainless steel exhaust tips. The tips feature a drain port on the bottom to keep rust and corrosion away. Unique stainless steel laser-cut aFe Power logo plate are riveted on for an aggressive style.

*Polished Tips also available (above)


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.

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AFE Atlas 4 Inch Downpipe Back Dual Exit Exhaust System 2001-2007 Chevy/GMC

  • Brand: AFE
  • Product Code: 49-04045-B
  • Availability: In Stock
  • $649.00