K&N RK-3951 - Intake System-Harley Davidson

General Details:

Additonal Images:

Benefits:

• Guaranteed to increase horsepower
• Designed to improve throttle response and engine sound
• Cast aluminium high-volume, performance air intake housing in black
• 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
• Easy to install, usually in 90 minutes or less

Technical Information:

• Estimated Horsepower Gain: 6.04 HP @ 4907 RPM
• Replacement Filter: E-3987
• Air Filter Colour: Red
• Air Filter Material: Cotton Gauze
• Warranty: 3 Months
• Product Style: Motorcycle Intake System
• Air Filter Height: 2.469 in (63 mm)
• CARB EO Number: D-269-59
• Street Legal In All US States: See Application Link Above
• TUV Approved (Europe): No
• Overall Height: 3.25 in (83 mm)
• Top Material: Black Powder Coated
• Package Contents: 1 Air Filter
• Package Quantity: 1
• Weight: 5 lb (2.3 kg)
• Product Box Height: 4.8 in (122 mm)
• Product Box Length: 12 in (305 mm)
• Product Box Width: 9.5 in (241 mm)
• Housing Material: Aluminium
• Mounting Hardware Included: Yes

Fitment / Compatibility: