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  • MBRP 3-inch Turbo Downpipe Black fits 2001-2004 Chevrolet Silverado 2500 HD / Silverado 3500 / GMC Sierra 2500 HD / Sierra 3500 6.6L Duramax
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MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black - Main Product View
MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black - Side View
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MBRP 3-inch Turbo Downpipe Black fits 2001-2004 Chevrolet Silverado 2500 HD / Silverado 3500 / GMC Sierra 2500 HD / Sierra 3500 6.6L Duramax

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

MBRP
GM8425
Many in stock
$389.11 USD $267.99 USD

NOT CARB LEGAL

Currently in testing for EPA compliance

$267.99 USD
MBRP 3-inch Turbo Downpipe Black fits 2001-2004 Chevrolet Silverado 2500 HD / Silverado 3500 / GMC Sierra 2500 HD / Sierra 3500 6.6L Duramax
Description

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.

Technical Drawing
Warranty
Installation Instructions

This Part Fits:

Year Make Model Submodel
2001-2004 Chevrolet Silverado 2500 HD Base
2001-2004 Chevrolet Silverado 2500 HD LS
2001-2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2001-2004 Chevrolet Silverado 3500 Base
2001-2004 Chevrolet Silverado 3500 LS
2001-2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2002-2004 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2004 GMC Sierra 2500 HD SLE
2001-2004 GMC Sierra 2500 HD SLT
2003-2004 GMC Sierra 2500 HD WT
2002-2004 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT
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