Originally Posted by s20525xxx

Each one has their own preferred workshop, we all had good and bad experiences. Stecnic doesn't tune cars. Mao($550) or all star($1100) can tune ur can at good price, race torque can supply q300 with tune at great price too, but not by tune itself alone.

Mac valve is for boost control, ie reduce boost spiking. Someone would disagree, u could do a bit more research.

using the Perth-WRX mobile app