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Right then people who sticks to a 3 - 3.5 RPM limit when there car is cold and how long do people wait till they give it the beans ??? I give the old girl 10-15 mins then shes primed for a good old thrashing :D
The 57i will lose you power due to it being an open filter (sucking in hot air ) all it will do is sound better and the less said about the ecotec valve the better .