i changed my up pipe for a standerd subaru one.after buildeng every thing back up and running the car up for about 15 to 20 mins to check for leaks and stuff i took the car out on a test drive then the proplems began when changing up to 2nd i put the foot down a wee bit but there was nothing it was totaly lifeless and realystruggeling to go it was terible but got it back home now im on here looking for some help and ideas im at my ends wit after that today was emotional stripping that thing just to change my up pipe back to standerd ,steven

 

well cheers for all the ideas found the we rubber bit at the front of the intercooler was loose my car is fun again with the right size of up pipe