2020-2024 GM Duramax 6.6L L5P Downpipes

When it comes time to replace your restrictive factory downpipe on your 2020-2024 GM 6.6L Duramax L5P, we have your back here at Alligator Performance. These aftermarket downpipe kits are one of the easiest ways to give your 2500/3500 GM Truck an awesome new sound while improving it's power, torque, and fuel economy along the way. These kits will even help slightly drop EGTs to help maintain controllable temperatures on your truck. Choose from the entire selection of downpipes to get the exact look and sound on your tough 6.6L Duramax L5P build, and start showing off your performance mods with confidence! 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.