yea i had my car for some time but its always been running bad i was told that i should replace all my pipeing like from the manifolds and the fmic...my car is not stock i have some welded on exhaust with no cats i have a 2piece cai also have a fmic like i mentioned and i have an hks bov but since i have no way of tuning the car i dont know where to go from here since i also wanna change my ricey setup i have i really wanted to sell the car for awhile tooo but i thought maybe ill just replace all the pipeing with newq piping and relocate mmy bov from my hotpipe to my cold pipe then i could buy the tunning computer...will it run better then? oh and my car hesitates like when im in first i cant pass 4k without the car boggin and hesitsating help with your two cents i can really use it!