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AFE 51-10391 - Fits 03-07 Ford 6.0L Power Stroke - Stg. 1 Intake - Pro-Dry S Filter This air intake system features a washable/reusable conical air filter that improves airflow for increased horsepower and torque. Filter is constructed with 100% polyurethane for long life and multiple cleaning cycles. Pro-Dry S Filter | Increases horsepower & torque | Maximizes airflow for better acceleration and responsiveness | Improved performance results in greater fuel efficiency | Installs in less than 60 minutes using factory mounting points | No cutting or drilling to engine compartment is required | Replaces OE air filter with high flow high performance 360 degree radial flow air filter | Washable/reusable air filter with the deepest pleats in the industry is the largest possible in the space allowed | Replaces factory filter box | Limited lifetime warranty 
- Oil-free 2-layer synthetic media
- Increased air flow upto 50% for better performance
- Increases horsepower & torque
- Improces Fuel economy
- 99.4% efficient** for excellent protection
- Wire mesh for structural integrity & quality
- Convenient quick & easy cleaning
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