Well, my car made some crazy surging noise when I let off when I was on the freeway and white smoke started pooring out of the exhaust. I get off the freeway and it seems fine. except everyime I start to spin the turbo a LOUD scratching noise starts. So I took off the turbo yesterdayand guess what I find.....the one of the fins on the exhaust wheel broke off!! WTF! This is a PT54 that had about 6500 miles on it. What the hell could of broken it? Well anyways I put the stock turbo on and with the 3200 10' stall I can hit 20# SO FAST. Well what do you guys think?