either change it to oem extractor of get an aftermarket ECU to re-tune it.
Exhaust flow sudah lari from what OEM ECU are suppose to give optimum fuel ratio on that laried particular rpm range. GET what i mean?
no need to change whole piping.
Exhaust flow sudah lari from what OEM ECU are suppose to give optimum fuel ratio on that laried particular rpm range. GET what i mean?
no need to change whole piping.