Buell XB12s Ultimate Air Cleaner. Very Good Used Condition with Genuine K&N Air Filter. The Best Air Cleaner Setup by far for all XB’s. For all XB9s XB9r XB12s XB12r. Originally supplied by Adrenalin-Moto Now defunct Buell Specialists. Included are 2 different tops + a Pipercross Air Filter also. I will Also Supply a New Genuine K&N Filter BU-9003 for the Full Price in the listing. (Not The Offer Price).