MBRP
MBRP 2004.5-2010 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black GM8424
MBRP 2004.5-2010 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black GM8424
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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
- Better Flow and Fuel Economy
- Lower Exhaust Temperatures
Vehicle Fitment
- 2004-2010 Chevrolet Silverado 2500 HD
- 2004-2010 Chevrolet Silverado 3500 HD
- 2004-2010 GMC Sierra 2500 HD
- 2004-2010 GMC Sierra 3500 HD
Please verify exact fitment for your trim and engine before ordering.
Specifications
- Diameter: 3in
- Shipping Dimensions: 22.2 x 13.6 x 8 in
- Shipping Weight: 8.2 lb
Manufacturer Part Number: GM8424
Images are for illustrative purposes only. Actual product may vary.
Emissions Note: This system replaces exhaust sections ahead of the muffler. Verify emissions compliance for your state before purchase.
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. Exhaust: Armor Pro (T304 stainless) and Armor Plus (T409 stainless) — Limited Lifetime; Armor Lite (aluminized) — 3 years; Armor BLK (black-coated aluminized) — 1 year on the coating and 3 years on the remaining components. Powersports slip-ons: Sport, Performance and Utility Series — 1 year; Race and Trail Series — 2 years. Covers defects in workmanship or material; surface rust and discoloration from heat are not covered.
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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