Well, my car was at its best when I had...
AEM CAI
JDM ITR header (which is a 4-1 with a 2.5 inch collector)
Carsound 2.5 inch cat
Apexi WS exhaust
I ran consistent 15.3's in the 93 mph range. That's with crappy lauches and a stereo system in the back.
A lot has changed since then, as soon as I get my cams degreed correctly and my VTEC point, IM secondaries opening point, a/f and ignition timing tuned, I expect to be in the high/mid 14's.