Product Overview � Guaranteed to increase horsepower Designed to improve throttle response and engine sound Lasts up to 100,000 miles before service is required (depending on driving conditions) Replaces entire factory air intake system Free-flowing high density polyethylene tubes Easy to install, usually in 90 minutes or less Washable and reusable lifetime air filter K&N Million Mile Limited Warranty The K&N 57-2546-1 Air Intake fits some Ford Excursion, Ford F250 Harley Davidson Super Duty, Ford F250 Super Duty, Ford F350 Cutaway, Ford F350 Harley Davidson Super Duty, Ford F350 Super Duty, Ford F450 Super Duty, and Ford F550 Super Duty models. See vehicle applications link for details. The K&N 57-2546-1 FIPK air intake system replaces your vehicle�s restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine�s RPM range. The 57-2546-1 air intake comes with a K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed through an aerodynamically engineered intake tubes into the engine�s throttle body for a guaranteed power gain. The tubes accommodate the factory mass air sensor and air temperature sensor. The oversized oval shaped air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less using the existing factory mounting points and requires commonly available tools. K&N 57 Series FIPK’s are street legal in all 50 US states and come with K&N’s Million Mile Limited Warranty.� � � Product Specifications � 15.53 HP @ 3426 RPM Replacement Filter RC-5178 Air Filter Color Red Air Filter Material Cotton Gauze Air Filter Outlet Shape Round Clamps Included 7 Clamp Material Stainless Steel Clamp Style Regular CARB EO Number D-269-34 Couplers Included 3 Type Gen II Product Style 57 Series FIPK Air Filter Height 7.875 in (200 mm) Intake Pipe Color / Finish Black Intake Pipe Material High-Density Polyethylene Street Legal In All US States Yes TUV Approved (Europe) No Weight 12.1 lb (5.5 kg) Product Box Height 12.5 in (318 mm) Product Box Length 18.25 in (464 mm) Product Box Width 18.25 in (464 mm) Mounting Hardware Included Yes Warranty 1,000,000 Miles/10 Year � Horsepower gains based on similar vehicle dynamometer test. Results will vary. �
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