I just bought a used 05 WRX with about 30k. It's auto (got it for personal reasons) and has an exhaust. I think it's the exhaust you can order from the dealer when you buy it new b/c it has no markings on it and it looks kinda stock. My ? is how can I get it to spool up quicker? Right now if i wanna get any response i have to mash the pedal at least half way. I don't wanna go crazy with mods yet i just wanna get rid of the terrible lag. Please help!