2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)
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2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)
Description
Description
Fits
| Year | Make | Engine |
| 2001-2007 |
GM |
LBZ, LLY, & LB7 6.6L Duramax |
Note: Our exhausts fit all wheelbases and cab configurations unless otherwise noted.
The DDC-4GM01 4" downpipe back race exhaust system for 2001-2007 Duramax trucks replaces the restrictive OE setup with a high-flow straight pipe design built for track performance. This muffler-free kit includes all necessary clamps, pre-welded contour bent hangers, and reinforced flanges for a smooth, hassle-free install. Expect aggressive sound, improved torque, faster throttle response, and optimized diesel performance.
Part Number: DDC-4GM01
Features
Features
- 4" Downpipe Back Exhaust
- Stainless Steel Construction
- Single Side Exit Design
- No Muffler Included
- Easy OE Hanger Installation
Questions and Answers
Questions and Answers
Previously asked questions
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My truck is an extended cab long box 1 ton would this fit
Yes, designed to fit all wheelbases and cab configurations unless otherwise specified.
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Will this work with my stock down pipe and do I need a tune to run it ??? I have an 07 LBZ no def on it
This is a down pipe back exhaust so it will work with the stock downpipe but you'll need a tune to account for the removal of the DPF (unless the DEF system has been tuned out).
