20017-2023 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipes

50 States Emissions Legal (E.O. D-701-36) 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 a woven titanium sleeve to reduce engine bay temperatures.