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USD 970 970 990
Part #:

AFE 49-44045-1 Large Bore HD 4" Downpipe-Back Exhaust System

2001-2004 GM 6.6L Duramax (All Cabs & Beds)
Part #:
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Exhaust Tip Finish
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Description

The AFE 49-44045 Large Bore HD 4" Downpipe-Back Exhaust System for your 2002-2004 GM 6.6L Duramax is constructed from 4" mandrel-bent 409 stainless steel tubing and uses a 24" long 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 driver side 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. Large Bore HD 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 

Features: 
409 Stainless Steel Construction
Mandrel Bent Tubing
Free-Flowing 24" Muffler For Powerful Sound
Leak Free Seal with OE-Style Band Clamps
Uses Factory Mounting Locations Easy Bolt-On Installation
Fits With Spare Tire
Made in USA

Product Options

PART NUMBER EXHAUST TIP FINISH
49-44045-1B 6" Black Powdercoat
49-44045-1P 6" Polished

Specifications

  • Manufacturer Name AFE
  • Shipping Weight 98.00 lb.
  • Shipping Length 60 in.
  • Shipping Width 19 in.
  • Shipping Height 14 in.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

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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.