Hello every one new to here and fisrt off new wrx owner.
bought a 04 wrx.
Parts i recently installed
full turbo back exhaust hks
apexi boost controller
apexi turbo timer
boost / af gauge.
Wanted to find out how much boost the stock motor can handle
and my car seems to miss when i go full throttle.
what other options can i do and suggestion for aftermarket ecu's