U dont a tune, just need to communicate with ecu and diaable the pump.

Its just a air pump to heat up the cat quicker. Unless there is a leak in the system, disable it will fix it.

Just called mao for u, he can do it for $80 unless the ecu already has ecutek lock on it.

using the Perth-WRX mobile app

__________________
MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport