K&N Engineering · New

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

Name: K&N Intake System 13-15 Harley-Davidson Breakout/Fatboy/Deluxe 103 CI
Brand: K&N Engineering
SKU: knnRK-3942
Price: 199.99 USD

MPN RK-3942 · Store SKU knnRK-3942

$199.99

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Supplier stock checked 11/8/2026, 12:23:40 AM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Product details

The K&N RK-3942 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to your Harley-Davidson motorcycle. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake System. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N High-Flow Air Filter is washable, reusable, pre-oiled and ready for installation. 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. K&N's Street Metal Series High-Flow Air Intake Systems offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle. Intake System-Harley Davidson

Manufacturer fitment & guides

Check RK-3942 against the manufacturer’s application information below.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

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