With 600 plus horsepower why would you even want tne cats in there? No need for them whatsoever, straight pipe to an X or H pipe would be best!
Originally Posted by Chevy Fanatic
What brand of cats are you running? I am in the process of purchasing a Whipple S/C and supporting components to produce approx. 650 / 675 RWHP and have concerns about which cats to run. Which cats would you recommend for a supercharged engine pushing 650 HP?