2017-2019 GM Duramax 6.6L L5P Single-Exit DPF-Back Kits

Any one of these single-exit exhaust kits are designed to replace your restrictive factory exhaust system with advanced design technologies and premium material to help maximize airflow and performance gains. Many of these kits come equipped with aggressively styled tips and powerful mufflers, while others come standard without an exhaust tip so you can choose your desired look. Pair any of these systems with an aftermarket cold air intake or performance tuner to unlock even more potential hidden under the hood of your 2017-2019 GM 6.6L Duramax L5P. 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.