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ATLAS 4inch Down-Pipe Back Aluminized Steel Race Exhaust System Chevrolet Silverado | GMC Sierra 2500/3500 LML Duramax V8 6.6L 11-12

$614.24 Sale:$491.39

AFE

Model #49-04003

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

The new ATLAS exhaust by aFe is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" aluminized steel tubing for maximum flow, increased horsepower, increased torque and lower EGT s. The 2-piece tailpipe and bayonet style hangers provide a hassle-free installation. To provide a leak-free seal, OE style band clamps are used that offer a 360 degrees sealing area. A 12" free-flowing straight-through designed muffler is used to produce a deep, powerful sound. Systems are available in 4" down-pipe back with muffler. ATLAS exhaust systems are the perfect combination of performance, fit and value. ATLAS exhaust systems utilize a 2-piece tailpipe design for a perfect fit by allowing adjustability at the tailpipe section. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 degrees sealing surface. A free-flowing 12" wide muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. 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. ATLAS exhaust systems are constructed of mandrel bent 4" aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT s.

Features:
  • Perfect Fit.
  • Aggressive Sound.
  • Flow and Performance.
  • Leak-Free Seal.
  • Installation is a Snap.
Fitment:
  • Chevrolet Silverado | GMC Sierra 2500/3500 LML Duramax V8 6.6L 11-12
For Install Instructions CLICK HERE

Note: This is a race only product used solely for competition. It s 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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Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

Vehicle Engine Notes
2011-2012
Chevrolet Silverado 2500

2011-2012
Chevrolet Silverado 3500

2011-2012
GMC Sierra

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production and sales people who believe in the product we design. We each have years of experience in our respective positions and together work to ensure that we have the best product on the market. Our purpose was not just to be another vendor that offers air filters, we chose to pay attention to those finer details that set an aFe filter apart from the competition.

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