hye everyone...need some wisdom from da oldies...it's about afc 5 button...i heard that if u wanna install this item on twin cam engine u need RPM relay converter (that's what i've heard)...is this true???really...
^_^ Hi to all the pro, i got some exhaust questions. I hv search for lots of thread, but still can't really get the conclusion. Any1 can help? Pls only tell the fact, and dun jz guess guess only, it will make me...