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2001-2004.5 Duramax 5" Downpipe Back Exhaust - No Muffler (531111 / 532115)

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Mel's Manufacturing Part Number: 531111 Mft Part Number: 601NM-531111
$890.00 CAD

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Description

Fits

Year Make Engine
2001-2004.5
GM LB7, LLY, w/ 6.6L Duramax

Mel's Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.

The 531111 / 532115 is a 5" Downpipe Back exhaust for the 2001-2004.5 Duramax Trucks. It will replace the restrictive exhaust system with a 5" straight pipe high-flow system with no muffler and is designed for race applications. Just like all of Mel's Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you sail through the installation process. This exhaust not only sounds great but will help improve your mileage, torque, and throttle response in your Duramax!

Part Number: 531111 / 532115

Features

  • 5" Downpipe Back Single Exhaust system.
  • No Muffler
  • Aluminized Steel & Stainless Steel Options
  • Single Side Exit
  • Easy Install - Mounts to OE Hangers

Questions and Answers

Previously asked questions

We've compiled a list of questions and answers below.

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  • Does the down pipe come on this pipe or do u gotta buy one separately

    The downpipes are sold separately on all the duramax trucks.

  • Does this exhaust fit a 2002 four-door short box?

    Yes

  • Will it work on a 06 lbz

    No, you would need something like this option HERE.

  • This would fit on a 2005 lly crew cab?

    It's not advisable as you could run into issues with installation fitment. Instead you could look into this option HERE.

  • Does this fit a 2004 Silverado extended cab long box?

    You bet!

  • Will this fit a 2007 2500hd classic crew cab long bed

    Yes, designed to fit all wheelbases and cab configurations unelss otherwise specified.