MBRP
MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black GM8425
MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black GM8425
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Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.
Key Features
- Direct Replacement, Bolt-on Installation
- Mandrel Bent Tubing for Improved Flow
- Lower Exhaust Gas Temperatures
Vehicle Fitment
- 2001-2004 Chevrolet Silverado 2500 HD
- 2001-2004 Chevrolet Silverado 3500 HD
- 2001-2004 GMC Sierra 2500 HD
- 2001-2004 GMC Sierra 3500 HD
Please verify exact fitment for your trim and engine before ordering.
Specifications
- Diameter: 3in
- Shipping Dimensions: 24.2 x 8.3 x 6.1 in
- Shipping Weight: 7.4 lb
Manufacturer Part Number: GM8425
Images are for illustrative purposes only. Actual product may vary.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty — MBRP
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Manufacturer's Warranty — MBRP
MBRP warranty varies by series: Pro Series & XP Series — Limited Lifetime; Installer Series — 3 years; Black Series — 3 years (1 year on finish). Covers manufacturer defects in materials and workmanship.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by MBRP. Contact us if you need help with a warranty claim.

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