2001-2017 Harley-Davidson Softail / Dyna FI Silver Performance Air Intake System (57-1137S)

Description

K&N FIPK air intakes for select Harley-Davidson Touring, Softail, Twin-Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high-flow air filter and cast aluminum intake tube. These intakes come with a die-cast aluminum throttle-body mounting plate and mounting hardware. K&N high-flow intake systems give your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power.

Features

• Guaranteed to increase horsepower
• Designed to improve throttle response and engine sound
• Cast aluminum high-performance intake tube
• Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
• Integrated internal velocity stack
• Built-in breathers replace external OE breathers
• Lasts up to 100,000 miles before service is required (depending on driving conditions)
• Easy to install, usually in 90 minutes or less

Specifications

• Estimated Horsepower Gain: 5.35 HP @ 4758 RPM
• Estimated Torque Gain: 8 lb-ft
• Replacement Filter: RE-5287
• Air Filter Color: Red
• Air Filter Material: Cotton Gauze
• Air Filter Height: 5.25 in (133 mm)
• Air Filter Outlet Shape: Round
• Product Style: Motorcycle Intake System
• Intake Pipe Color / Finish: Silver
• Intake Pipe Material: Die-Cast Aluminum
• Clamps Included: 1
• Clamp Style: Regular
• Clamp Material: Stainless Steel
• Couplers Included: Not Required
• CARB EO Number: D-269-59
• Street Legal In All US States: Legal for use in all 50 states
• TUV Approved (Europe): No
• Weight: 4.2 lb (1.9 kg)
• Mounting Hardware Included: Yes
• Warranty: No-Hassle Lifetime Limited