2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)
Dirty Diesel Customs
DDC-4GM01
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
Fitment
Universal fit — suits most makes and models. No vehicle-specific fitment required.
Sale price
$1,775.00
-100%
Regular price
Regular price
$1,775.00
Unit price
per
Tax included.
Shipping calculated at checkout.
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2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (DDC-4GM01)
Sale price
$1,775.00
Regular price
Regular price
$1,775.00
Unit price
per
Fitment Guaranteed
or we'll make it right
Ships Fast
Gold Coast, QLD
Australian Stock
No overseas delays
USA Genuine Gear
Imported direct
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