If you're craving a bold, head-turning exhaust note for your 2017-2019 GM 6.6L Duramax L5P, a dual-exit exhaust system is the way to go. The dual-exit kits offered here at Alligator Performance are crafted by some of the most trusted names in the industry, specifically engineered to deliver that deep, aggressive rumble that perfectly matches the power of your 6.6L Duramax. These systems not only enhance sound but also improve exhaust flow, giving you a noticeable boost in performance while adding a custom flair to your GM 2500HD/3500HD truck. Whether you prefer polished, black, or stainless steel finishes, there’s a style to suit your truck's personality. To further enhance your truck's performance, consider pairing your dual-exit system with a Performance Tuner.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.