

Specifications
- Brand
- K&N
- Part #
- RK-3910-1
- UPC
- 024844301697

K&N Oval Red 9in Intake System for Harley Davidson
$314.99
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K&N RK-3910-1 Air Intake System for Harley Davidson. Get more horsepower from your Twin Cam engine with improved airflow.
Key Features
- Fits 1999-2017 Harley-Davidson Twin Cam models.
- Features K&N's High-Flow Air Filter for excellent filtration.
- Includes a powder-coated billet aluminum back plate with a built-in velocity stack.
- Designed to increase airflow to the engine for more horsepower.
- Retains a factory appearance by using the stock air cleaner cover.
- Large capacity 2-1/4 inch filter.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Built around K&N's legendary High-Flow Air Filter, this RK Series intake system is designed to get more horsepower from your Twin Cam Harley-Davidson engine. It features an innovative powder-coated billet aluminum back plate that eliminates external breathers and includes a built-in, dyno-tuned velocity stack. This design results in a significant airflow increase to the engine without sacrificing filtration, and it even retains a factory appearance by utilizing the stock air cleaner cover.
This RK Series assembly is a well-built option for a wide range of Harley-Davidson models, including popular bikes like the FLHR Road King, FLHTC Electra Glide Classic, and FLSTC Heritage Softail Classic. It comes with a larger air filter and longer spacers compared to some other RK Series kits, ensuring robust performance. The large capacity 2-1/4 inch filter provides excellent air filtration while allowing for increased air volume to your engine.
Specifications
- Brand
- K&N
- Manufacturer Part #
- RK-3910-1
- UPC
- 024844301697
Frequently Asked Questions
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K&N Oval Red 9in Intake System for Harley Davidson

