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Originally posted by Josh
What would it sound like with those? And, what kind of hp gains would be expected?
it's hard to describe the sound they make... it's so incredible... it's not like a turbo or a supercharger, and not like a fart can... it makes a deep buzzy sound...
power wise, i remember seeing gains of about 30-35 hps on GS-R motors, above 4000 rpm (straight in VTEC zone)