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.
I encounter really loud vibrating sound from while accelerating in the rain..the sound comes from engine bay or the wheel...(im not too sure)...BUT....accelerating same place on dry sunny...
Is there anyway to add on a device so that you can remove the exhaust piping as an when you need it (ie during racing) & when you want it to be quiet, u can install back the pipe?