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Part #:

AFE 49-44033 Mach Force XP 5" Downpipe-Back Race Exhaust System

2007.5-2010 GM 6.6L Duramax (All Cabs & Beds)
Part #:
FROM 793.25
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The AFE 49-44033 Mach Force XP 5" Downpipe-Back Race Exhaust System for your 2007.5-2010 GM 6.6L Duramax is designed to increase horsepower, torque and overall performance while your truck is running down the track. This free flowing side exit exhaust system outflows the factory exhaust to give your truck the edge in competition. Constructed of durable 5" mandrel bent 409 stainless steel, this system uses bayonet style hangers and band clamps for a hassle free installation. This system comes complete with a free flowing muffler, all tubing, bayonet hangers, band clamps. For a finishing touch, you can choose between a black powdercoated or 304 stainless steel rolled, slash cut tip. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

  • 5" Downpipe-Back Exhaust
  • T409 Stainless Steel Construction
  • Race Exhaust - For Off-Road Competition Use

Exhaust Tip Finish
Polished 49-44033-P
Black 49-44033-B

Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning. Not designed for use on Cab & Chassis models.


  • Manufacturer Name AFE
  • Shipping Weight 88.00 lb.
  • Shipping Length 60 in.
  • Shipping Width 19 in.
  • Shipping Height 14 in.
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Will it fit for a long box?
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Yes, the AFE 49-44033 Mach Force XP 5" Downpipe-Back Race Exhaust System will fit all wheelbase trucks.


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Valid for all orders over the phone or online, *excluding the manufacturers listed in the company policy. You will still receive FREE SHIPPING on purchases over $50! This promotion is valid now - 12/21/18 only.

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.