Performance Machine FastAir Intake For Harley Big Twin The FastAir Intake from Performance machine will do just what it's name implies, deliver lots of air to your engine Fast! Not only does this intake make horsepower but it's one of the most innovative and aggressive-looking intakes on the market. Leave it to PM to raise the bar by creating beautiful billet pieces laced together to complement the striking K&N filter. With the FastAir you no longer have to choose between form or function. Features: FASTair intake utilizes the highest quality and best performing K&N filter element creating a 10.21 HP increase on a stock engine Includes PM's proven internal crankcase breather system for a clean look Includes K&N filter element and rain sock