Dirty Diesel Customs
2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)
Performance part for diesel trucks. Please confirm compatibility before purchasing.
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
- 4" Downpipe Back Exhaust
- Stainless Steel Construction
- Single Side Exit Design
- No Muffler Included
- Easy OE Hanger Installation
Compatible trucks
Shipping info
Please refer to our Shipping policy. As a general rule, we ship out all orders in 24-72 hours using services like Purolator and other, and always provide you with a tracking number.
Disclaimer & warranty
Please refer to our Disclaimer and Warranty pages.
Planning a larger purchase? Feel free to reach out to discuss a possible discount.
If you have any questions or need help with your order, you’re always welcome to contact us directly.
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