After doing some research, I understand that the sluggish feel (weak throttle response) of altezza is caused by the heavy dual mass flywheel which weighs about 12kg.
i am driving wira
i have change my extractor from 4-1-1 to 4-2-1
but no cover to cover the hot air out from extractor
izzit got other cover to cover it?or cloth??
because the hot air just now spoil my air cond fan...