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  • MBRP 6.6L Duramax 3in Turbo Down Pipe Black fits 2011-2015 Chevrolet Silverado 2500 HD / Silverado 2500 HD WT / Silverado 3500 HD / GMC Sierra 2500 HD / Sierra 3500 HD
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MBRP 11-13 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black - Side View
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MBRP 6.6L Duramax 3in Turbo Down Pipe Black fits 2011-2015 Chevrolet Silverado 2500 HD / Silverado 2500 HD WT / Silverado 3500 HD / GMC Sierra 2500 HD / Sierra 3500 HD

⚠️ 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
GM8427
In stock
$358.22 USD $289.99 USD

NOT CARB LEGAL

Currently in testing for EPA compliance

$289.99 USD
MBRP 6.6L Duramax 3in Turbo Down Pipe Black fits 2011-2015 Chevrolet Silverado 2500 HD / Silverado 2500 HD WT / Silverado 3500 HD / GMC Sierra 2500 HD / Sierra 3500 HD
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
2015 Chevrolet Silverado 2500 HD High Country
2011-2015 Chevrolet Silverado 2500 HD LT
2011-2015 Chevrolet Silverado 2500 HD LTZ
2011-2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2011-2015 Chevrolet Silverado 3500 HD LT
2011-2015 Chevrolet Silverado 3500 HD LTZ
2011-2015 Chevrolet Silverado 3500 HD WT
2015 GMC Sierra 2500 HD Base
2011-2015 GMC Sierra 2500 HD Denali
2011-2015 GMC Sierra 2500 HD SLE
2011-2015 GMC Sierra 2500 HD SLT
2011-2014 GMC Sierra 2500 HD WT
2015 GMC Sierra 3500 HD Base
2011-2015 GMC Sierra 3500 HD Denali
2011-2015 GMC Sierra 3500 HD SLE
2011-2015 GMC Sierra 3500 HD SLT
2011-2014 GMC Sierra 3500 HD WT
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