PPE T-304 Stainless Steel Down Pipe – GM 6.6L Duramax 2004.5-2010 LLY/LBZ/LMM.
Remove your crushed oval-shaped stock down-pipe and replace it with a smooth, round, long-lasting full 304 stainless steel Down-Pipe from PPE. Includes gasket and a woven titanium sleeve to reduce engine bay temperatures. Down Pipe Kit includes gasket.