PERRIN Upper Radiator Bracket Set - Blue 2015-2021 Subaru WRX/STI / 2013-2017 Crosstrek / 2012-2016 Impreza PDM_limited-slip-differentials The intercooler upgrade is most

The intercooler upgrade is most meaningful after a tune and intake -- it is the component that allows a tune to maintain safe timing and boost under sustained load rather than pulling when temperatures climb

Keep a few in the parts bin if you are doing any exhaust work

Z33/V35 Rear Handling Character

This results in improved throttle response

The AE86 is light and sensitive to setup changes

PERRIN Upper Radiator Bracket Set - Blue 2015-2021 Subaru WRX/STI / 2013-2017 Crosstrek / 2012-2016 Impreza PDM_limited-slip-differentials The intercooler upgrade is mostPERRIN 15 21 Subaru WRX STI 13 17 Crosstrek 12 16 Impreza Upper Radiator Bracket Set Blue