big difference with the freak. a clean paper filter in our airbox works fine. K&N wont offer that much of a gain. better if you dont want to buy new filters imho
Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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