This K&N " Fuel Injection Performance Kit " ( FIPK for short) will improve your horsepower by replacing the stock 2005-2009 3.8 and 3.9L V6 Mustangs restrictive stock air box and paper filter with a high flow K&N filter assembly. This assembly makes for a more noticeable increase in horsepower and acceleration while still providing excellent filtration. Improved engine sound and throttle response. Depending on driving conditions this filter can go up to 100,000 miles before needing to be serviced.
50-state legal, CARB EO# D-269-37
CA Residents: Cancer and Reproductive Harm WARNING