whats goin on tr? so check it out i got a 93 hatch with a b20 swap in it.. I have some dc sports headers im about to be putting on here soon.. Right now im running 2 1/4 piping all the way back to a flowmaster 40 series muffler.. Im wanting to get a high flow cat or resignator to try to quiet it down a bit but without dropping power... any suggestions?