as title above.trading with my 2.5inch inlet 4inch outlet s-flow sport muffler(direct fit).produce low bassy sound in low rpm.item stil in car.wife complain noisy at back...
i need help for the turbo timer installation on my ride (Perdana V6)... Currently Turbo timer been installed... But when my key turn to OFF position, my ride's ABS light is ON, when i switch my...