lol..silly me...tell me the 3s guys can replace my cars exhaust piping et al...what was i even thinking, but then wot can u do other than being played at the hands of these half baked mechanix, i was so depressed with the underperformance issue that i didnt even think twice, anyways can u guide me on how to go abt it ? Should i go ahead with the injection cleaning , help me as i am helpless in the face of toyota people who tell me, its fine, when it clearly isnt.