K&N RK-3953 Street Metal High-Flow Air Intake System for Harley Davidson - 4.24 HP Gain

K&N Street Metal performance air intake systems increase power by replacing the restrictive stock OE air cleaner with a K&N complete performance air intake system.

Key Specs:

• Air Filter Color: Red
• Air Filter Height: 2.39 in (61 mm)
• Air Filter Included: Yes
• Air Filter Material: Cotton Gauze
• Air Filter Washable: Yes
• CARB EO Number: D-269-59
• Color / Finish: Red Filter, Black Top
• Estimated Horsepower Gain: 4.24 HP @ 4358 RPM
• Housing Material: Aluminum
• Mounting Hardware Included: Yes
• Overall Height: 4.25 in (108 mm)
• Product Style: Motorcycle Intake System
• Replacement Filter: E-3988
• Street Legal In All US States: Legal for use in all 50 states.
• Top Material: Black Powder Coated
• Warranty: No-Hassle Lifetime Limited
• Weight: 4.1 lb (1.9 kg)

Features & Benefits:

• Built-in breathers replace external OE breathers
• Cast aluminum high-volume performance air intake housing in black
• Designed to improve throttle response and engine sound
• Easy to install, usually in 90 minutes or less
• Guaranteed to increase horsepower
• Integrated internal velocity stack
• Washable and reusable K&N High-Flow cotton air filter

WARNING: Cancer and Reproductive Harm.