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USD 1016.49 1057.34
Part #:

AFE 49-43066 MACH Force XP 4" Downpipe-Back Dual Race Exhaust System

2011-2016 Ford 6.7L Powerstroke (All Crew & Ext. Cabs)
Part #:
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The AFE 49-43066 MACH Force XP 4" Downpipe-Back Dual Race Exhaust System for your 2011-2016 Ford Super Duty is constructed from 4" mandrel-bent stainless steel tubing for maximum flow. This dual system includes two dual side exits finished off with AFE-Power 6" polished stainless or black powdercoated clamp-on tips. Designed with oe-style bayonet hangers and using high-quality band clamps, this system installs easily with top quality hardware in your factory locations.

Flow and Performance:
This MACH Force-Xp  Down-pipe exhaust system is 100% hand MIG-welded and Constructed from 4"" mandrel-bent stainless steel tubing  for maximum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. A mitered merge collector is also incorporated to eliminate dead space that can cause turbulence and hinder flow.

Aggressive Sound:
A free-flowing stainless steel 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:
This system uses all factory mounting locations providing stability and hassle-free installation. Includes OE-style bayonet hangers which 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.

6" Angle-Cut Rolled Edge Clamp-On Tips:
Available in your choice of polished or black, our 6" exhaust tips finish off your dual exhaust system with a high luster polished finish or black powdercoated finish.. A unique laser-cut aFe Power logo plate is riveted on for an aggressive style.

All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

  • Downpipe-Back Dual Exhaust
  • Off-Road Race Only Exhaust
  • Stainless Steel Construction 
  • OE Style Bayonet Hangers
Fitment Note: This system is designed for use on crew and extended cab applications with long and short beds. It will not work on regular cab models.

Exhaust Tip Finish
Polished 49-43066-P
Black 49-43066-B

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


  • Manufacturer Name AFE
  • Shipping Weight 45.00 lb.
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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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.