i have a GDB version 8 subaru impreza wrx sti. my car has been boosting at 1.5bar all the while and suddenly 1 day, it just didn't boost pass 1.1bar. it does not spike, it does not creep, it just holds...
Need help on gdi engine, I just up size my rims from 16' to 18'. Now i feel the lack of power due to up size. Thinking of adding a piggyback to increase the power. but worried that 4g94 gdi will give...
