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..
i use nismo exhaust now,,but sound no good!!i hear somebody say amuse very good,is tat very noisy...i 1 wen i drive slow will silent but wen hispeed will crazy??hope got some suggest