Ok, I am looking for recommendations on what type of exhaust setup works well on ITA civic/crx's. I just finished putting my motor back in an ITA prepped 88 CRX Si and before I take the car to the muffler shop, I'd like to hear what has worked well for others. The motor is stock other than AEM CAI and a cheap chikara 4-2-1 header (I got it for free). Should I use 2.25" or 2.5" piping? Use a muffler, cat, resonator? I remember reading someones setup a couple months back and they chopped the header at the collector and had a 2.5" collector welded on. Then they used a small piece of flex piping attached to a 2.5" dynomax race muffler that ended just behind the driver seat. This is the setup I am leaning towards, but I'm a little skeptical on chopping off the collector.
