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aFe POWER 49-44052-B Large Bore-HD 4" 409 Stainless Steel Down-Pipe Back Exhaust System

GM Diesel Trucks 15.5-16 V8-6.6L (td) LML 133.7"; 167.7" WB
Part Number: 49-44052-B
$817.95

MSRP: $934.80

In Stock. Will ship within 1-2 business days.

Details:

  • Constructed of 4" mandrel-bent stainless steel tubing for maximum flow
  • Includes dual 6" black stainless steel clamp-on tips with a laser-cut stainless steel aFe power plate
  • A free-flowing 24" 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
  • 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
  • Uses factory mounting locations providing stability and a hassle-free installation
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Overview

aFe power introduces a true 4" Down-Pipe Back Large Bore-HD dual exhaust system for 2015.5-2016 GM Diesel Trucks with V8-6.6L (td) engine. This Large Bore-HD down-pipe back exhaust system is constructed from 4" mandrel bent stainless steel tubing for maximum flow, increased horsepower and torque. The down-pipe back is designed with a unique tapered flange to fit the flanged down pipe found on models built after July 2014. This kit uses a mitered merge collector along with a 24" muffler for maximum flow, then is finished off with dual 6" black stainless steel clamp-on tips with a laser-cut stainless steel aFe power plates for an aggressive style.

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.

Aggressive Sound:
A free-flowing 24" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.

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:
Large Bore-HD exhaust systems are constructed of 4" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque.

6" Black tips:
Finishing off the exhaust are dual 6" black stainless steel clamp-on tips with a laser-cut stainless steel aFe power plates for an aggressive style.

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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