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Part #: AFE

AFE 49-44041 MACH Force XP 5" DPF-Back Exhaust System

2011-2016 GM 6.6L Duramax LML (All Cabs & Beds)
Part #: AFE
FROM 413.25
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The MACH Force XP DPF-Back exhaust system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations to provide a quick, hassle-free installation. MACH Force XP exhaust systems are the perfect combination of performance, fit and value. All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility.

Simple Installation:
All systems use factory mounting locations providing stability and hassle-free installation.

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

OE 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:
This Mach FORCE XP exhaust system is constructed of 5"" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.


  • 5" Stainless Steel Construction 
  • DPF-Back Exhaust System 
  • Available With No Tip, Polished Or Black Exhaust Tip
Note: This exhaust system only fits 2016 2500HD models without the NOX Sensor. Will not fit on Cab & Chassis models.

Exhaust Tip Options
No Tip 49-44041 
Polished Tip 49-44041-P
Black Tip 49-44041-B


  • MFG. Number49-44041
  • Manufacturer NameAFE
  • Shipping Weight30.00 lb.
  • Shipping Length49 in.
  • Shipping Width23 in.
  • Shipping Height13 in.


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Most Popular Questions

How does this exhaust reduce the temp of the exhaust?
View Staff Answer 

The smooth transitional bends of this exhaust are considered mandrel bends. Factory OEM exhaust systems are often smaller in diameter and contain restricted pressure bent tubing. Removing these restrictions allow for low turbulence, increasing horsepower, torque and lowering EGT’s.