I have the Hayame Exhaust It sounds really nice deep spounding not Ricey at all, also it only weighs 11lbs. and it looks really good comes out at upward angle. Not sure about the gains though never had my car dynoed with it on. I deffinetly noticed more power though.
"If you dont like Hair blowers why would you like Turbo's"
Last car '92 Eagle Talon TSI AWD, R.I.P, Current car '00 Toyota Celica GT-S. Next car Fully Built 1st Gen AWD DSM.