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2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)

Dirty Diesel Customs

2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)

$1,050.00 CAD

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
  • Duramax 2001-2007
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.

Contact page link

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