K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System SilverK&N FIPK air intakes for select Harley Davidson Touring, Softail, Twin Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high flow air filter and cast aluminum intake tube. These intakes come with a die cast aluminum throttle body mounting plate and mounting hardware. K&N high flow intake systems give your Harley an aggressive appearance while providing a significant