K&N 2017-2018 Ford Super Duty V8-6.7L Diesel Replacement Dry Air Filter

K&N Replacement Air Filter for 2017-2018 Ford Super Duty 6.7L Diesel | Increase Horsepower

Upgrade your 2017-2018 Ford Super Duty 6.7L V8 Diesel with the K&N E-0644 air filter. Washable, reusable, and designed to improve airflow, horsepower, and acceleration.

The K&N E-0644 replacement air filter is engineered to improve engine performance and provide superior protection for your 2017-2018 Ford Super Duty 6.7L Power Stroke® Diesel. Unlike disposable paper filters that must be frequently replaced, this high-flow air filter is made from multiple layers of oiled cotton gauze media. This state-of-the-art design creates an intricate mesh that traps harmful contaminants while significantly reducing airflow restriction.

Designed to fit directly into your factory air box, this "drop-in" upgrade requires no tools or modifications. It is environmentally friendly and cost-effective, as it is completely washable and reusable—likely making it the last air filter your truck will ever need. Backed by K&N’s famous Million-Mile Limited Warranty, it ensures your heavy-duty engine breathes easier for the long haul.

Best Uses

1. Heavy Towing & Hauling: Provides the increased airflow necessary for better combustion when the engine is under high stress.
2. Highway Commuting: Improves throttle response and fuel efficiency during long-distance driving.
3. Off-Road & Worksite Use: High-capacity filtration protects the engine from dust and debris found in rugged environments.
4. Long-Term Vehicle Ownership: Ideal for owners looking to eliminate the recurring cost of disposable filters.

Features

1. High-Flow Media: Features layered, pleated cotton gauze that allows for higher airflow than traditional paper filters.
2. Custom Fit (Drop-In): Specifically engineered to fit the 2017-2018 Ford Super Duty factory air box with no modifications required.
3. Washable & Reusable: Can be cleaned and re-oiled using a K&N Recharger kit, eliminating the need for replacements.
4. Long Service Interval: Can go up to 50,000 miles between cleanings under normal highway driving conditions.
5. Emission Legal: 50-state emissions legal and will not void your new vehicle warranty.

Benefits

1. Boosted Performance: Increases horsepower and acceleration by allowing more oxygen into the engine.
2. Enhanced Engine Protection: Advanced filtration media protects vital engine components from harmful dirt and particles.
3. Cost Savings: Pays for itself over time by eliminating the need to purchase multiple disposable filters over the life of the vehicle.
4. Eco-Friendly: Reduces waste by preventing hundreds of disposable filters from ending up in landfills.
5. Lifetime Reliability: Backed by a 10-year/Million Mile Limited Warranty, providing ultimate peace of mind.

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