'04 3.8 need help...

[Easton1633]

I have just finished the interior of my car, with all new audio and upholstery. but now it starts to get to the important stuff, i want some new performance mods. i am on a tight budget. but any suggestions at all would be great.

[sledgehammer]

go here

When modding a car from the start: (order of mods list for best results!!!)