I just got the 2003 srt4 for a daily driver so i can fix up my chevy. right now i got hotchkis lowering springs that ride great a mopar cai mopar stage 1 kit and mpx full turbo back exhaust with 3 in o2...here is the car before lowering (left) and after (right)

here is the mopar cai

and my two 12in kickers in a ported box being pushed by a tx 1500watt class d mono amp
