the charge cooler pumps can stop working matewhich can meen melting engine if temps get too hot .......my mate just fitted a airtec cooler kit on his frs ,said it was a git to fit but has increased the power of car just by fitting coolerand looks awsome behind grillmy frs kept hitting boost cut because ecu was shutting it down as overboost.....we disconected the boost solonoid and ran the boost direct through forge actuator and it was fine....i think you will be very happily surprised how well these cars go,handle......good luck with it anyway cheers jeff,oh and rsoc website there is lots of helpfull info ,bits for sale group buys etc..well worth a visit