theres no power fc for evo 4 BUT u can use the power fc from evo 5 or 6 on evo 4with minor mod on 1 wiring,if not mistaken the charging from alternator or something similiar to that,wireman can kaotim it easily
i've heard alot of good n bad things regarding superchargers from installers and the general modding public. i'm interested to hear the opinions of those that have already installed bolt-on superchargers...