I heard everyone said the apex ws is quieter,has anyone try this setup?I was thinking of getting the frankercar intake w/the pop charger,wsp y pipe,high flow cat,apex ws cat back,ur pully,and ecu,but don't know how much louder is it than stock at 2500 rpm 65mph,or should i use the stock cat to reduce the sound,any sugestion anybody? ps. my is 96 se auto,thanks