I just had to add my $0.02 to this. I have AEM SRI, OBX Ford Probe 4-2-1 header, magna flow 2.25 high-flow cat, 2.25" piping, stock RB muffler, CF hood, and a few interior parts missing when I go to the strip and I still haven't broken into the 15's yet (sea level). While I'm deployed over the summer I'm having ZE cams and pistons installed along with a few other jobs ( P&P head, thrmo spacers, etc) so I'm hoping to be into mid to low 15's by 2005.