aFe Magnum FORCE Intake Replacement Air Filter w/ Pro GUARD 7 Media (72-90044) _Slash-Cut Description_MKT Can be mounted horizontal

Description_MKT Can be mounted horizontal or vertical

and a 3 way valve that keeps the nitrous in the pump and lines between refills

The Mk3 Focus ST Touring Edition Exhaust brings it when you're ready

Improved Throttle Response

aFe Magnum FORCE Intake Replacement Air Filter w/ Pro GUARD 7 Media (72-90044) _Slash-Cut Description_MKT Can be mounted horizontalMagnum Flow Pro Guard 7 Round Tapered Tan Air Filter (72 90044) by aFe. This Pro Guard 7 performance air filter outflows the factory intake by 44%. The Inverted? design of this unique OE replacement filter fully utilized the space in the stock air box to provide the most filter media of any drop in? OE replacement filter. With seven layers of progressively finer mesh cotton gauze synthetic media, this high flow oiled? OE replacement performance filter