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USD 1067.32 1067.32 1110.21
Part #:

AFE 49-44045 Mach Force XP 4" Downpipe-Back Dual Exhaust System

2001-2007 GM 6.6L Duramax (All Cabs & Beds)
Part #:
FROM 1067.32
Exhaust Tip Finish
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The AFE 49-44045 Mach Force XP Downpipe-Back Exhaust System for your 01-07 GM 6.6L Duramax is constructed from 4" mandrel-bent 409 stainless steel tubing and uses a 24"L muffler, high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt-on bracket that supports the driverside tailpipe. This provides for a quick, hassle-free installation with no modification necessary.

Also included in this exhaust system are your choice of high temp black or polished stainless steel tips with a laser-cut stainless steel aFe power badges. MACH Force XP exhaust systems are the perfect combination of performance, fit and value.

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

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

Fits With Spare Tire: This exhaust system fits perfectly without removing the spare tire.

Flow & Performance: This Mach Force XP Exhaust System is constructed of 4" mandrel bent 409 stainless steel tubing for maximum flow.

OE Fitment: OE-Style hangers with bayonet tip are used to maintain a stable pipe location during high vibration and high heat conditions

  • 24" Muffler 
  • Direct Bolt-On 
  • Fits With Spare Tire
  • Down-Pipe Back Exhaust 
  • 409 Stainless Steel Construction

Exhaust Tip Finish
Polished 49-44045-P
Black 49-44045-B

Product Options

49-44045-B 6" Black Powdercoat
49-44045-P 6" Polished


  • Manufacturer Name AFE
  • Shipping Weight 98.00 lb.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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