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K&N Street Metal Air Intake Systems for Harley Davidson Dyna, Softail, Touring and Twin-Cam Model motorcycles increase power by eliminating the restrictive stock OE air cleaner and replacing it with an oversized K&N High-Flow Air Filter™ and a cast aluminum high-volume aluminum housing. K&N high-flow intake systems give your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power.
Guaranteed to increase horsepower
Designed to improve throttle response and engine sound
Cast aluminum high-volume, performance air intake housing
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
Estimated Horsepower Gain
3.33 HP @ 4710 RPM
Replacement Filter
E-3987
Air Filter Color
Red
Air Filter Material
Cotton Gauze
Warranty
No-Hassle Lifetime Limited
Product Style
Motorcycle Intake System
Air Filter Height
2.469 in (63 mm)
CARB EO Number
D-269-60/83/104
Street Legal In All US States
Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your vehicle in the applications listings.