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aFe ATLAS 4" Down-Pipe Back Dual Aluminized Exhaust Kit for 2015 GM Duramax LML (Flanged Front Pipe, No Muffler, No Tip)


Price: $723.75
Sale Price: $579.00
You Save: $144.75
aFe power introduces a 4" Down-Pipe Back ATLAS dual exhaust system for 2015.5 GM Diesel Trucks with V8-6.6L (td) engine. This ATLAS exhaust system is constructed from 4" mandrel bent aluminized steel tubing for maximum flow, increased horsepower and torque. This exhaust system is designed with a unique tapered flange to fit the flanged down pipe found on models built after July 2014. The down-pipe back system uses a mitered merge collector and includes a free flowing 12" muffler for maximum flow. ATLAS exhaust systems are the perfect combination of performance, fit and value.

  • Constructed of 4" mandrel-bent aluminized steel tubing for maximum flow
  • A unique high quality OE style tapered flange is used for a complete 360 degree sealing surface
  • OE style bayonet hangers are used to maintain a stable pipe location
  • A bolt on hanger mount is used to support the driver side tube
  • A free-flowing 12" long muffler is used to absorb high pitch tones producing a powerful sound
  • A mitered merge collector is used to convert the standard single exhaust to an aggressive dual exhaust
  • Uses factory mounting locations providing stability and a hassle-free installation

    Installation is a Snap:This system uses factory mounting locations providing stability and hassle-free installation.

    Leak-Free Seal:A unique high quality OE style tapered flange is used for a complete 360 degree sealing surface.

    Merge Collector:This exhaust system uses a mitered merge collector to convert the standard single exhaust to an aggressive dual exhaust.

    OE Fit:OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tips holds the hanger bushing in place for an OE style fit that does not change with time. A bolt on hanger mount is used to support the driver side tube.

    Flow and Performance:ATLAS exhaust systems are constructed of 4" mandrel bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque .

    Note: These kits will only fit models manufactured after July 2014 equipped with a flanged down pipe. Does not fit cab & chassis, Fits 133.7 " to 167.7" wheel bases only.

    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.
  • Make: Chevy/GMC
    Engine: 6.6L
    Year: 2015
    Model: 2500, 3500
    Item Number: 49-04052
    Mfg.: aFe
    Mfg. Part No.: 49-04052