Heart Horse Air Cleaner Intake Filter System Kit for 1988-2015 Harley sportster XL883 X1200 Eliminate the biggest restriction in a Harley Sportster engine for real HP you will feel. Billet Aluminum backing plate with internal breathing passages for super clean installation. Internal breathing system - clean installation - No hoses, No oil-catchers, no brackets. Compatible with both carburetor and fuel injected models. For Harley Sportster XL883 XL1200 48 from 2004 to 2014