I have a question, I blew my supercharger pulley, upgraded to a 64mm and had a tune, but now my acceleration and pickup has gotten slower, any ideas. The car has upgraded sl55 intake, larger heat exchanger, sl55 throttle body, new bosch cooling pump , and I have 550cc injectors to install. Could my issue be fuel pump, filter or both? I'm curious to know what you think. I also have one of last batch of 300 plus slk32 produced in 2004, and I'm thinking of selling it. It has 22000 miles.








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