2020-2024 GM Duramax 6.6L L5P Manifolds & Up-Pipes

Aftermarket up-pipes for your 2020-2024 GM 6.6L Duramax L5P are designed to replace the restrictive factory up-pipes on your truck to deliver improved power and performance without compromise. These pipes were engineered to lower Exhaust Gas Temperatures (EGTs) and maximize airflow which results in a boost of both horsepower and torque for your 2500/3500 GM Truck. Perfect for those looking to add on even more performance upgrades to their truck, these high-quality up-pipes help reduce back-pressure for consistent and reliable performance in every scenario. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024 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.