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...
heard that evo 7 acd pump fails easily,,, anybody kena b4?
what to fix, where to fix and how much to fix..
anybody can share how the failure like.. produce click clink sound or ...etc
my blowoff sounds weird lately..before this is normal where it only sounds ONCE,but since last 3-4days,it didnt sounds once but it sounds like theres once big loud sound(normal...