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Which gives more backing to the claim that the one Bobby had was defective in some way. Do you notice it changes the shift points from the way the sc modifies them? It put mine almost back to stock, shifting at real low RPM's compared to without it. To me, my intake was not as loud with the fatsman. It seemed to be not so loud when flooring it, didn't really notice any difference on the other end, but my magnaflow loud as h$ll anyway.