Quote:
Originally Posted by nicecar
Yep i mixed that up with upipe as someone mentioned earlier
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Dont change your uppipe. Its catless anyway. Also by going bigger like avo then you increase the volume of air which can slow down you spool as its the same amount of air but in a larger area. Therefore slowing compared to the stock size. Also i think your STi fuel pump will be up to the job your making it do.
How much you want for your STI intercooler?