Quote:
Originally Posted by 435gc
Your going to need an upgraded charge pipe. The stock one is plastic and prone to crack even with stock boost levels.
You will also want to up the priority of the fmic. With the addition of boost, iats will quickly overwhelm the stock intercooler. Intercooler is more of a necessity than the intake, which would really be just for sound.
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I second this. Charge pipe, and fmic. If stage 2 is a plan (not sure what that equates to on jb4) then a downpipe is necessary too. Intake and exhaust are basically for sound I think.