2020-2022 GM Duramax 6.6L L5P Exhaust Kits

Our selection of 2020-2022 GM 6.6L Duramax exhaust systems is just what you need to add tons of style and sound to your Sierra/Silverado 2500/3500 truck. These premium street-legal and off-road exhaust kits feature a much more efficient design over your restrictive factory exhaust components and allows your 6.6L Duramax L5P engine to breath easier. Some of these kits deliver noticeable gains in both horsepower and torque with no extra hassles or tuning required, giving you an immediate performance upgrade without compromise. On top of their power gains, these 6.6L exhaust kits give your truck an aggressive tone that will be sure to make your heart race each time you hop on the accelerator. 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. Get more out of your truck by investing in any of these premium Exhaust Kits we offer here at Alligator Performance. GM Duramax Fitments: 2020, 2021, 2022 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.