Hi, thanks for your responses. Its a 5 speed manual. All of the tyres are the same, they were replaced about a year ago. It has now done 240,000km. I'm not sure if he has had a lot of experience with Subaru's or not, he does a fair bit of work on performance vehicles usually. He isn't a Subaru specialist though. The car still seems to idle around a tight corner ok, but if I was to do it on flat ground, it would feel like i was running over a bunch of tiny speed bumps. I'm not entirely sure what happened with the CV joints, I thought they were brand new, but I'll clarify that with Him. Although I do know that this issue still remained exactly same after the CV joints were replaced. Another thing I know is that the gear box sounds noisy, but again, it only starts to sound like that after I've been driving it for a while.