Motorcycle Cut Air Cleaner Intake Filter System For Harley Davidson Touring Dyna. This product data sheet is originally written in English. Description 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 Billet Aluminum backing plate with internal breathing passages for super clean installation? Internal breathing system – clean installation – No hoses, No oil-catchers, no brackets This Motorcycle Air Filter Sets NOT Included Installation instructions, but easy to install. Matching Clarity Derby Cover and Timing/Cam Cover available. Motorcycle Cut Air Cleaner Intake Filter System For Harley Davidson Touring Dyna Description Eliminate the biggest restriction in a Harley Sportster engine for real HP you will feel. PACKAGE INCLUDED: Package Included: 1pc x Filter. California Prop 65 Warning.