MBRP 11-13 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black

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 DrawingWarrantyInstallation InstructionsThis 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