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Part #: AFE49-04059NM

AFE 49-04059NM ATLAS 4" Downpipe-Back No Muffler Exhaust System

2001-2010 GM 6.6L Duramax (Crew & Ext. Cabs)
Part #: AFE49-04059NM
  1 Review
$365.75
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  1 Review

Description

The AFE 49-04059NM ATLAS 4" Downpipe-Back No Muffler Exhaust System for your 2001-2010 GM 6.6L Duramax features a 4" mandrel bent construction and a mufflerless "straight-pipe" design for maximum flow, increased horsepower, increased torque and lower EGTs. This system uses high quality band clamps, OE-style bayonet hangers and includes an adjustable hanger clamp for a tight secure fitment. This unit uses all factory mounting locations this provides for a quick, hassle-free installation. This kit includes a muffler delete pipe for a more aggressive sound. ATLAS exhaust systems are the perfect combination of performance, fit and value. Exhaust tip not included.

Installation is a Snap:
This Atlas System Includes an extension pipe and an adjustable hanger for a perfect fit. This kit uses 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.

Flow and Performance:
This ATLAS exhaust system is constructed of 4" mandrel-bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.

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

Features:

  • Turbo-Back Race Exhaust
  • 4" Mandrel-Bent Aluminized Construction
  • "Straight-Pipe" No-Muffler Exhaust System 
  • Adjustable Hanger To Cover All Models From 2001-2010 
  • Uses Factory Mounting Points For Hassle-Free Installation
Fitment Note: Crew Cab/Short Bed, Crew Cab Long Bed, Extended Cab/Short Bed, & Extended Cab/Long Bed

Warning: On 2007.5-2010 models, this free-flowing race exhaust requires the use of an aftermarket performance programmer with off-road tuning. 

Specifications

  • MFG. Number 49-04059NM
  • Manufacturer Name AFE
  • Shipping Weight 65.00 lb.
  • Shipping Length 60 in.
  • Shipping Width 14 in.
  • Shipping Height 19 in.
  • Diameter 4"
  • Exhaust Exit Single
  • Exhaust Type Downpipe-Back
  • Material Aluminized Steel
  • UPC 802959492499
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

Reviews

Fit like a Dream
Brad
Location: Minerva Ohio
Fit like a dream. 25 min install. Thanks xdp !!! Great all around service.

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Questions and Answers

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Most Popular Questions

Will this work with 3" MBRP Downpipe?
View Staff Answer 
Answer

Yes, the AFE 49-04059NM ATLAS 4" Downpipe-Back No Muffler Exhaust System will work with all factory and 3” aftermarket downpipes.

Does this fit a crew cab 8 foot bed?
View Staff Answer 
Answer
This exhaust fits the following cab/bed combinations:

Crew Cab/Short Bed, Crew Cab Long Bed, Extended Cab/Short Bed, & Extended Cab/Long Bed
I have a 2007 chevrolet 3500 HD 2 wd western hauler edition Will this exhaust system work on this vehicle
View Staff Answer 
Answer

The AFE 49-04059NM ATLAS 4" DOWNPIPE-BACK NO MUFFLER EXHAUST SYSTEM will fit all 2001-2010 GM 6.6L Duramax (Crew & Ext. Cabs)*

*The AFE 49-04059NM ATLAS 4" DOWNPIPE-BACK NO MUFFLER EXHAUST SYSTEM will NOT fit cab & chassis vehicles.

Will this work with my factory downpipe?
View Staff Answer 
Answer
Yes, the AFE 49-04059NM is designed to work with factory downpipes.
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.