anyone think just welding on a race cat would free up lots of HP or any HP i dont want to much more noise in cabin and i think the stock exhaust is adaquit and dont want a whole new exhaust system.
It's not worth constant throwing of codes and annoying engine lights.e'ssrt4 said:if that is what you want then just hollow out your cat. you will throw an engine code though. kind takes out the resonators you might run rich. but it will get you more pops. o
exactly, s2 for me in january and then i'll think about the mpx exhaust. :thumbsup:e'ssrt4 said:I feel the same way. thats why I am saving for a stage 1 or 2 pcm before I even think about messing with my exhaust. you could try mixing exhaust peices though.