aFe power introduces a 4" Down-Pipe Back ATLAS dual exhaust system for 2015.5-2016 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.
Installation is a Snap:
This system uses factory mounting locations providing stability and hassle-free installation.
A unique high quality OE style tapered flange is used for a complete 360 degree sealing surface.
This exhaust system uses a mitered merge collector to convert the standard single exhaust to an aggressive dual exhaust.
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.
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