question about the sound of a Greddy Type S

[TsiRacer93]

OK i have had a greddy type S for about a month now, and for some reason it just doesnt sound right. isnt it supposed to make a high piched sound?? cuz mine doesnt make that at all, it sounds like a damn raccoon!! if someone could help me that would be great!
gene

 

[TSi AWD]

What boost are you running? It might be really loose, have you tried tightening it at all?

Mine was getting really bad flutter until i tightened it. Now its fine. Its suppose to sound like a high pitched whistle/bird chirp sound. (Mine is really really really loud... )