Description
The K&N Filters Street Metal Intake System – Side Draft Dyna – Softail (KNNRK-3953S) is engineered to boost airflow and deliver improved engine performance for Harley-Davidson Dyna and Softail models. Built with a sleek silver finish, this system replaces the stock intake with a side draft design that enhances throttle response and power delivery. With a washable and reusable filter, the intake ensures long-term functionality and supports better filtration. Installation is straightforward, making it an excellent upgrade for riders seeking performance gains without complicated modifications.
Features and Specifications:
- Vehicle Fitment: Harley-Davidson
- Air Filter Material: Cotton Gauze
- Estimated Horsepower Gain: 4.24 HP @ 4358 RPM
- Air Filter Height: 2.39 in (61 mm)
- Air Filter Color: Red
- Horsepower Boost: Increases engine horsepower for improved performance.
- Throttle Response: Enhances acceleration and engine sound.
- Durable Housing: Cast aluminum, high-volume intake in silver finish.
- High-Flow Filter: Washable, reusable K&N cotton air filter for top-tier airflow and protection.
- Velocity Stack: Integrated internal design for optimized airflow.
- Built-In Breathers: Replaces external OEM breathers for a cleaner setup.
- Simple Installation: Installs in 90 minutes or less with basic tools.
- Include: Mounting Hardware
- Warranty: No-Hassle Lifetime Limited.






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