If I take off my cat will i notice any difference?

Yeah! You could end up with boost spike.

take if off anyway. mine doesnt have one on it, it hasnt blown up yet and its a piece of crap

I was shooting fireballs with mine off ..lol https://www.nopistons.com/forums/pub...1047683785.gif

I have mine off in all my cars, no issues. It makes one hell of a difference too.

Woodsy owl says: "Be kind to the environment, kids. Stinky rotary engine exhaust killed Bambi. Always run an aftermarket hi-flow cat."

well, there are certianly worse ways for bambi to die