2004 Chevy 6.0 With Flowmaster Original 40

[@CloudHindlen]

Wow that was a lot harder to find than I expected it would be. It is hard to find a 6.0 with the original 40 series

[@Thatblacksierra]

My dads had the 6.0 and flowmaster 40 with no cats and stock pipes . It sounded really good

[@DarrenWS6]

Good sound!