[speeder08]

hey
i have a volvo 2000 s40
i want to improve my cars performance
i recently bought a cold air intake, what else could i buy to improve my cars performance, (i want to try and improve the acceleration
any idea's????????????

 

[MR Performance]

im in the middle of fabricating a custome down pipe for the v40 but it should fit the s40 you can also delete the other cat in the mid pipe and get a ecu reflash n turn the boost up