I've decided to be a little balsy and run off the cat in my Civic. I'll just unbolt the stock catback and run like that for the races tonight, figure it should help a little for the turbo right? Anyways, aside from the noise, is there anything inheritdly wrong with doing this? I can't think of anything off the top of my head, but I just wanted to make sure. I don't think boost creep will be much of an issue with GReddy's stock sub 2" DP and the stock cat in place. Who knows, I might just show up at Moroso like this tomorrow

 

no ill side effects, cept for the headache you are gonna get driving around with an open dp, but we've all been there.

your turbo will spool a little quicker also. let us know how you do.

Tom