Upgrade the air cleaner on your Harley-Davidson® Bob reviews the throttle by wire on the Twin Cam 96 and 103 and how to install an aftermarket air cleaner. He even points out the factory warning on the throttle body box. Next Video: Front Brembo Caliper and Pads Tags: air cleaner for harley, harley air cleaner, harley davidson air cleaner, Harley Touring Maintenance, harley touring service, Member Videos Please Select to add a recharger kit to your order: 8 oz Squeeze Oil & 12 Oz Cleaner (99-5050 Reg. $11.99) (+$10.49) 6.5 oz Spray Oil & 12 Oz Cleaner (99-5000 Reg. $11.99) (+$10.49) K&N air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These air filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N.