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Part #: AFE49-44054

AFE 49-44054 MACH Force XP 5" Down-Pipe Back Race Exhaust System

2015.5-2016 GM 6.6L Duramax LML (133.7" to 167.7" Wheelbase)
Part #: AFE49-44054
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Description

The AFE 49-44054 MACH Force XP 5" Down-Pipe Back Race Exhaust System for your 2015.5-2016 GM 6.6L Duramax is a true 5" from the down-pipe back, the MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 5" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGTs. 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 360º sealing area. A 30" free-flowing straight-through designed muffler is used to produce a deep, powerful sound.

Installation is a Snap:
MACH Force XP 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.

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

Aggressive Sound:
A free-flowing 30" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.

Perfect Fit:
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.

Flow and Performance:
MACH Force XP exhaust systems are constructed of mandrel bent 5" stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.

Features:

  • 5" T409 Stainless Steel Construction
  • Bolt-On, Hassle-Free Installation
  • Your Choice Of Black Or Polished Exhaust Tip

Fitment 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.

 

Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.

System Options
Black Tip 49-44054-B
Polished Tip 49-44054-P

Specifications

  • MFG. Number49-44054
  • Manufacturer NameAFE
  • Shipping Weight80.00 lb.
  • Shipping Length60 in.
  • Shipping Width14 in.
  • Shipping Height19 in.

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Questions and Answers

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Most Popular Questions

Why do you have to use a performance programmer with this exhaust?
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Answer

This AFE 49-44054 MACH Force XP 5" Down-Pipe Back Race Exhaust System will remove your factory emissions. You cannot properly operate this vehicle without the emissions unless proper emissions delete programming software is installed on the truck. (This is for Race use only.)

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Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.