3 inch Downpipe | LML Duramax | 2011-2016

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Fits vehicles:2011, 2012, 2012, 2013, 2014, 2015 Chevrolet Silverado and GMC Sierra 2500 and 3500HD pickups with 6.6L Duramax engine. Does not fit cab and chassis trucks. Descripti on:This 3" turbocharger spigot increases exhaust flow out of the turbocharger and improves performance. Features:3-inch stainless steel piping20% better flow compared to factory pipeIncludes thermal insulation film to reduce engine compartment temperaturesIncreased heat dissipationDoes not affect exhaust systemsMaximum flow for competitionNot suitable for late models with 3-bolt flange Show more