The AVCR on my car cannot function well, cant control the boost, any recommend shop to do the tunning?? Or just change to HKS EVC 5 will be better? yours suggestion is appreciate,thanks..
Wanted to ask you guys about maybe a small issue with my GTT R34. Every morning when i start, there's a short screeching sound like worn out belts. After that, it won't happen till the next morning again...