hmm i doesnt want it loud, as flowing restriction so i forced to put straight all the while so i hv no choice so i hooked up with multiple brands of exhaust still cant reduce the sound till i got tanabe medalion with silencer at least its better....then now worry bout the flow..!! I heard bout fgk, but mostly are quite big..i mean the size of the entire thing not the inlet...its not quite suitable for my hatchback..my perfect choice still goes to apexi mandrel type with straight flow exhaust or mr2 turbo catback with custom 3inch is just nice...!!! still havent found any yet >.<