2020-2022 GM Duramax 6.6L L5P Single-Exit DPF-Back Kits
Any one of these single-exit exhaust kits will replace your restrictive factory exhaust system with advanced design technologies and premium materials to help maximize airflow and performance gains. Many of these kits come equipped with aggressive styled tips and powerful muffler, while others come standard without an exhaust tip to allow you to choose your desired look. Pair any of these systems with an aftermarket cold air intake or a performance tuner to unlock even more horsepower and torque hidden under the hood of your 2020-2022 GM 6.6L Duramax L5P. 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.