standard or aftermarket,
i got one sheep dog,
keepish sound for high rev,
kuuuurrrrr for low boost or low rev,
rm 150.00, use it on 2' piping,
pls pm me
anyone did or know how to do this diy? it will beep like charming sound hehe like initial d anime....my idea is that maybe we can tap the speed signal wire frm ecu and somehow trace the voltage at 100km/h...