Airaid AIR863-399 Direct-Fit Replacement Air Filter for 2010-2014 Ford Mustang Shelby 5.4L Supercharged

This AIRAID Direct-Fit Replacement Filter is a drop-in replacement for your vehicle's stock paper air filter that is designed to improve horsepower and acceleration. The air filter is constructed with multiple layers of filter media and provides significant improvements in air flow and filtration compared to typical replacement filters with the added benefit of being washable and reusable. Why throw money away on a paper filter each time the old one gets dirty when you can upgrade to a serviceable AIRAID Direct-Fit Replacement Filter for often less than the cost of two stock replacements? Installation takes only minutes and is as simple as replacing your stock filter. This AIRAID Direct-Fit Replacement Filter is a drop-in replacement for your vehicle's stock paper air filter that is designed to improve horsepower and acceleration.

• AIRAID drop-in filters are designed to fit directly into your factory airbox. No modifications needed, just drop it in and hit the road.
• Simply Takes Only A Few Minutes To Install

The Airaid AIR863-399 Direct-Fit Replacement Filter is designed as a high-flow upgrade for the factory paper air filter in select 2010-2014 Ford Mustang Shelby models with the 5.4L supercharged engine. Its dry filter media supports improved airflow to help enhance throttle response, acceleration, and engine performance while maintaining effective filtration for everyday driving.

Built with multiple layers of filter media, this washable and reusable Airaid filter offers a serviceable alternative to repeatedly replacing disposable paper filters. Maintenance is straightforward: clean the filter according to the manufacturer’s instructions, allow it to dry completely, and reinstall it for continued use. The direct-fit design installs inside the factory airbox without modifications, making installation as simple as removing the original filter and dropping in the replacement.

Key specifications and technical data:

• Brand: Airaid
• Part Number: AIR863-399
• Product Type: Direct-fit replacement air filter
• Filter Media: Dry, multilayer filter media
• Serviceability: Washable and reusable
• Installation: Drop-in installation in the factory airbox
• Vehicle Application: Ford Mustang Shelby
• Engine Application: 5.4L supercharged engine

What's included: One Airaid AIR863-399 direct-fit replacement air filter. This filter fits select 2010, 2011, 2012, 2013, and 2014 Ford Mustang Shelby applications. Verify the vehicle, engine, and factory airbox configuration before installation. This product is intended for off-road or racing applications where emissions compliance requirements apply; confirm local regulations before use. California emissions approval is not indicated for this application.

Features:

• Direct-Fit Installation: Drops directly into the factory airbox without modifications.
• Improved Airflow: Multilayer dry filter media is designed to support increased airflow compared with a typical paper filter.
• Washable and Reusable: Cleanable construction helps provide long-term service and reduce repeated filter replacement.
• Performance-Focused Design: Supports improved throttle response, acceleration, and horsepower potential on compatible vehicles.

Fitments:
2010 Ford Mustang Shelby GT500
2011 Ford Mustang Shelby GT500
2012 Ford Mustang Shelby GT500
2013 Ford Mustang Shelby GT500
2014 Ford Mustang Shelby GT500

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1