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I was told by the guy at the dealership that adding an aftermarket system will increase high-rpm horsepower but will reduce low-midrange horsepower - is this true?
I was asking him what he thought about adding an AM exhaust and he told me if I was planning on running the Z1k around at like 9k rpm a lot it would be a good idea, otherwise it would reduce the low-midrange grunt..
Is this correct? I don't see how backing up the air flow would help low-midrange horsepower but maybe it does?
Does an AM pipe increase torque also, or just hp?
I was asking him what he thought about adding an AM exhaust and he told me if I was planning on running the Z1k around at like 9k rpm a lot it would be a good idea, otherwise it would reduce the low-midrange grunt..
Is this correct? I don't see how backing up the air flow would help low-midrange horsepower but maybe it does?
Does an AM pipe increase torque also, or just hp?