yes, take them off and install cats

non foulers are not a guarantee of anything...sometimes they work, sometimes they don't, depends on many factors

 

^^ well yea, i could, if i wanted to waste the money i spent on the test pipes. I was trying to avoid an answer like this by wording my questions, guess it didnt work. Would you say getting hfc will not be as loud as the test pipes? I know some members don't notice a sound change.

 

Or you could not drive the car

In all honesty these are very common sense questions if you give them any thoughtn All of this stuff has been asked and answered about 100+ times