2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Exhaust Upgrades

Our 2011-2016 GM 6.6L Duramax LML exhaust systems are the solution to add an aggressive exhaust note and performance upgrade to your GM 2500/3500. These premium street-legal and off-road exhaust kits feature much more efficient designs over your restrictive factory exhaust system and allows your 6.6L Duramax LML engine to breathe easier. Our kits are designed to deliver noticeable gains in both horsepower and torque without any additional hassles or tuning required, giving you an immediate performance upgrade without compromise. On top of their impressive power gains, these premium aftermarket exhaust kits provide an aggressive tone that will surely impress. We offer everything from single-exit kits, dual-exit kits, up-pipes, downpipes, and universal exhaust tips to get your entire exhaust system looking and performing the way you want it to! Pair your new exhaust system with our selection of Turbo Upgrades!  GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.