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  • MBRP GMCA428 3in Down Pipe fits 2015-2016 Chevrolet Express 2500 / Express 3500 / Silverado 2500 HD / Silverado 3500 HD / GMC Savana 2500 / Savana 3500 / Sierra 2500 HD / Sierra 3500 HD 6.6L Duramax
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MBRP 15-16 Chevy/GMC 6.6L Duramax 3in Down Pipe (For 3 Bolt Flange Style Connection) - Main Product View
MBRP 15-16 Chevy/GMC 6.6L Duramax 3in Down Pipe (For 3 Bolt Flange Style Connection) - Side View
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MBRP GMCA428 3in Down Pipe fits 2015-2016 Chevrolet Express 2500 / Express 3500 / Silverado 2500 HD / Silverado 3500 HD / GMC Savana 2500 / Savana 3500 / Sierra 2500 HD / Sierra 3500 HD 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
GMCA428
In stock
$364.40 USD $294.99 USD
$294.99 USD
MBRP GMCA428 3in Down Pipe fits 2015-2016 Chevrolet Express 2500 / Express 3500 / Silverado 2500 HD / Silverado 3500 HD / GMC Savana 2500 / Savana 3500 / Sierra 2500 HD / Sierra 3500 HD 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.

Installation Instructions
Technical Drawing
Warranty

This Part Fits:

Year Make Model Submodel
2015-2016 Chevrolet Express 2500 Base
2015-2016 Chevrolet Express 3500 Base
2015-2016 Chevrolet Express 3500 LS
2015-2016 Chevrolet Express 3500 LT
2015-2016 Chevrolet Silverado 2500 HD High Country
2015-2016 Chevrolet Silverado 2500 HD LT
2015-2016 Chevrolet Silverado 2500 HD LTZ
2015-2016 Chevrolet Silverado 2500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2015-2016 Chevrolet Silverado 3500 HD LT
2015-2016 Chevrolet Silverado 3500 HD LTZ
2015-2016 Chevrolet Silverado 3500 HD WT
2015-2016 GMC Savana 2500 Base
2015-2016 GMC Savana 3500 Base
2015-2016 GMC Savana 3500 LS
2015-2016 GMC Savana 3500 LT
2015-2016 GMC Sierra 2500 HD Base
2015-2016 GMC Sierra 2500 HD Denali
2015-2016 GMC Sierra 2500 HD SLE
2015-2016 GMC Sierra 2500 HD SLT
2015-2016 GMC Sierra 3500 HD Base
2015-2016 GMC Sierra 3500 HD Denali
2015-2016 GMC Sierra 3500 HD SLE
2015-2016 GMC Sierra 3500 HD SLT
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