The factory turbocharger in your 2011-2016 GM 2500HD/3500HD may get the job done for stock applications, there's plenty of room for improvement to unlock its full power potential. Whether you're looking for turbo drain kits or a complete high-performance turbocharger, we offer a range of upgrades to maximize your engine's performance. Whether you choose to enhance your current setup or opt for a full turbo replacement, we've got the perfect solution for your needs. Give your 6.6L Duramax the power boost it deserves with these turbo upgrades! Pair your new Turbo Upgrades with our selection ofEngine 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.