Exhaust Up-Pipe for 2017-2023 L5P 6.6L Duramax Sierra/Silverado 2500 3500

EXHAUST UP-PIPE FOR 2017, 2018, 2019, 2020, 2021, 2022, 2023 L5P 6.6L DURAMAX SIERRA/SILVERADO 2500 3500

Fitment:

• 2017-2023 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD
• 2017-2023 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD

Up-pipes and downpipes – What do they do?

Up-pipe is a piping that connects the exhaust manifold with the turbo. Exhaust gases enter the turbo from the up-pipe. Down-pipe is a piping that connects the turbo with the rest of the exhaust pipe. Exhaust gases leave the turbo from the down-pipe.