50 States Emissions Legal (E.O. D-701-30)
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.
Installation Guide: Down-Pipes - Three-Inch 304 Stainless Steel - GM 6.6L Duramax