When I got my Pearly, I replaced (enhanced?) so much of the car that it didn't have an opportunity to give me issues, save for a pair of wheel bearings, a loose baffle in the resonator and a rotted exhaust pipe.
After a good share of autocross days, I did manage to grenade the engine, but I don't know if that counts as a result of its (ab)use!
I've only got 3k miles on the Silver along with four race days, and the only trouble it's given me is that the gas tank keeps emptying out!
We'll give it another try next year, as it'll probably be taking a winter nap by the end of this week.