Exhaust Up-Pipe for 2001+ LB7 LLY LBZ LMM LML L5P 6.6L Duramax Sierra/Silverado 2500 3500
Fitment:
- 2001-2004 Chevrolet GMC LB7 6.6L Duramax Diesel
- 2004.5-2005 Chevrolet GMC LLY 6.6L Duramax Diesel
- 2006-2007 Chevrolet GMC LBZ 6.6L Duramax Diesel
- 2007.5-2010 Chevrolet GMC LMM 6.6L Duramax Diesel
- 2011-2016 Chevrolet GMC LML 6.6L Duramax Diesel
- 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 down-pipes – 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.