2017-2019 GM Duramax 6.6L L5P Exterior Upgrades
Your 2017-2019 GM 6.6L Duramax L5P is already a tough looking truck to say the least, but you can give it your own custom style and appeal with any of the premium exterior parts and upgrades offered here at Alligator Performance. We carry various exterior upgrades including aftermarket side steps, fender flares, grilles, mud flaps, roof racks and more so you can outfit your GM Sierra/Silverado with some of the best looking and most aggressive accessories on the market. Set your truck apart from the rest with some bolt-on fender flares, or improve your truck's carrying capacity with a brand new roof rack and start adventuring like a pro. GM Duramax Fitments: 2017, 2018, 2019 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.