hi i have been offered one as a swap for my 96 wrx , will it need a remappable ecu if i give it a full decat and panel filter . did a search but couldn't find an answer cheers j

 

i have a 98 uk wagon with full vortex exhaust no cats and a k&n induction kit and a few other bits when i put it on the dyno at scoobyclinic they said it was running perfect no need for a remap only if i was gona do a fmic and fuel pump with reg