K&N Intake System 13-15 Harley-Davidson Breakout/Fatboy/Deluxe 103 CI

Unleash your Harley-Davidson's true power with this K&N High-Flow Air Intake System. This performance upgrade replaces the factory air cleaner with a precision-engineered system designed to maximize airflow and boost horsepower. Featuring K&N's world-renowned washable and reusable air filter, the RK-3942 delivers exceptional engine protection while providing long-lasting performance. Its integrated aluminum backing plate streamlines air delivery directly into the throttle body, improving throttle response and acceleration. Built for riders who demand both performance and style.

Additional Information

K&N's Street Metal Series High-Flow Air Intake Systems offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle.

Part Type

Air Cleaner Assembly

• Backed by K&N warranty

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information