onefast96svt
New Member
So I figured if I have to change the wear ring ill get a new impeller too. From the research I've done I believe I have a 10/21 on a 07 gti se 155. The only one I found on greenhulk.com is an 11/19. From what I under stand about pitch I'm thinking this wouldn't be as good top end. Any ideas on an impeller.
