Quote Originally Posted by CB7tuner
i ordered a magnaflow high flow cat and just now off ebay so hopefully that will help. but i just use regular unleaded gas it basically a stock engine (f22a1) 1993 honda accord. but untill then could i jack my car up and and beat the cat with a hammer and knock all the honeycomb stuff apart and just run a straight pipe for now?

that should work, i just put a hole in mine, helped alot