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K&N’s Sportster RK Series Air Cleaner will get more horsepower from your Harley Davidson Sportster motorcycle. This complete assembly fits inside the stock air cleaner cover, and provides a significant increase in airflow.

Features:

• Increases power.
• Washable and reusable.
• Provides increased airflow.
• Fits inside stock cover.

Specifications:

• Estimated Horsepower Gain: 4.4 HP @ 5497 RPM
• Replacement Filter: E-3040
• Air Filter Material: Cotton Gauze
• Size: 10-12
• Inlet Diameter: 2.5 in (64 mm)
• Overall Height: 2.5 in (64 mm)
• Weight: 3.1 lb (1.4 kg)
• Neck Flange: 2.5 in (64 mm)
• Mounting Hardware Included: Yes