Ooooo what to do!! Apparently the one i have got has coverd 10k, it will be coming off next week tho for a clean tho regardless of milage, and just have to say it again!!! I love it! The turbo chatter and induction noise is unreal! It sounds alot better than the twin-take! But im not guna say performance its better as i think there iant anything in it its just sound?!