K&N Street Metal Air Intake Systems replace the restrictive stock O.E. air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If you're looking for an aggressive appearance and want a significant increase in airflow, resulting in more power, this high-flow air intake system is exactly what you need. Installation is so simple, it can usually be done in 90 minutes or less. The K&N air filter is washable, reusable, pre-oiled and ready for installation. Internal breathers provide a sleek, clean appearance. Classic styling with a savage appeal.
- 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 O.E. breathers.
- Easy to install, usually in 90 minutes or less
Detailed Specifications:
- K&N part number: RK-3950.
- Estimated horsepower gain: 4.85 HP @ 4851 RPM.
- Replacement filter: E-3987.
- Air filter color: Red.
- Air filter material: Cotton gauze.
- Product style: Motorcycle intake system.
- Air filter height: 2.469 inches (63 mm).
- CARB EO Number: D-269-59.
- TUV approved (Europe): No.
- Overall height: 3.25 inches (83 mm).
- Top material: Black powder coated.
- Weight: 5 pounds (2.2 kg).
- Mounting hardware included: Yes.
- Note: Horsepower gains based on similar vehicle dynamometer test. Results will vary.
