not sure on that.
but if not mistaken ek9 2000 using obd2b n the ecu cannot fit to the obd2a socket like ek4 one.
the ecu size oso smaller than normal b-series ecu size.
many single scoll owner upgrade using after market like tomei extractor or SYMS extractor or xxxx brand but no more bubble sound liaw!
any one using after market extractor but still got strong bubble...
In my stupidity, I may have driven my car in 3rd gear (over 1.5hr) while on NS highway yesterday. No wonder I was consider why my oil temp defi guage was rising towards 100C. In addition, engine was noisy...