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.
High quality OE style band clamps are used for a complete 360º sealing surface.
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.
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.
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.
5" T409 Stainless Steel Construction
Bolt-On, Hassle-Free Installation
Your Choice Of Black Or Polished Exhaust Tip
Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.
Black Tip 49-44054-B
Polished Tip 49-44054-P