PM FASTair intake XL91-22 Contrast cut

Performance Machine FASTair intake system features a tapered oval K&N air filter element and an integrated crankcase breather to clean up your engine. The FASTair bolts straight onto the stock Keihin CV carburetor or Delphi Fuel Injection throttle body. The version for use on stock CV and Delphi Fuel Injection can also be used on Mikuni HSR 42, HSR 45 and HSR 48 carburetors when installed in conjunction with our ZPN236958 air cleaner adapter. PM claims a stunning 10.21 HP increase on a stock Harley-Davidson.