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...
Need advice; any sifu & fren is it reliable bolt on turbo this time coz petrol pricing go high Rm 2.70 for 1litre...is it b.o.t can help save fuel or not..:hmmmm: