do you have a dyno on exhaust on the GT
and btw akina i have a SRI Injen
on my gt and the whoooos sound is not loud you can her it suck air at start up but you can barly hear it in teh car and when you turn of teh car you will hear it becuase of teh stero and engien is not making nois.
i dont really know how it is on the out side becuase i never stod on teh out side of teh car whille it drives, but just take away lift in the tpr Intake
vid tahts how it sound (lift is when the sound gets crazy 3 sek out in the clip i think)