Ok here's my question everytime i get to higher rpm's like 4500 and above this really high pitched scraping noise comes from the back of my car! i think it's my altezzas but i'm not sure. anyone else have this problem?TIA
1997 Mitsubishi Eclipse GSX: K&N Filter, John Sheppard built transmission with GVR4 1st gear, autometer boost gauge, "free mods", Greddy type-s BOV, broken shifter