hey im new to the darkside i was thinking about how fast i want to go. well i decided that i want to be able to drive the car daily. i have another car that is daily driven but i guess i should say streetable. id be happy with a high 10 second car. what step as far as mods should be done? where should i start with the car? it has a 3inch stainless steel catback and a k&n right now. any advice would be great! thanks!