Description
The K&N RK-3947 High-Flow Air Intake System increases engine intake airflow and delivers more horsepower & torque to many Harley-Davidson FLT and FLH model motorcycles. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake 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.
- Guaranteed increase in horsepower
- Replaces the stock air filter and cleaner backing plate assembly
- Washable, oversized K&N high-flow air filter for long service interval
- Oversized black, powder coated aluminum backing plate provides solid mounting
- Dyno tuned velocity stack directs airflow to engine
- Built in breathers replace external OE breathers
- Includes K&N Million Mile Limited Warranty
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