K&N Filters HD Dyna Models Custom Assembly 2008-2009 (KNNRK-3931)
The K&N Filters HD Dyna Models Custom Assembly 2008-2009 (KNNRK-3931) is engineered for Harley-Davidson Dyna motorcycles made between 2008 and 2009. This custom intake assembly by K&N Filters enhances airflow and is built to increase throttle response. With a high-flow design and precise fitment, it’s an ideal solution for riders seeking improved performance and reliability. Installation is straightforward, making it a popular choice among motorcycle enthusiasts and custom builders alike.
Features and Specifications:
Vehicle Fitment: Harley-Davidson Dyna models (2008-2009)
Estimated Horsepower Gain: 6.54 HP @ 5100 RPM
Air Filter Material: Cotton Gauze
Air Filter Color: Red
Inlet Diameter: 2.406 in (61 mm)
Overall Height: 2.5 in (64 mm)
Performance Boost: Increases horsepower and torque.
Dyno-Tuned Design: Features a velocity stack for optimized airflow.
Air Filtration: Provides excellent engine protection.
Reusable Filter: Washable lifetime air filter for long-term use.
Emissions Notice: Not legal for highway use in states following California emission standards.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRK-3931
