K&N Engineering E-0666 Replacement High-Flow Air Filter for 2013–2015 Porsche Boxster and Cayman

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Upgrade your Porsche’s intake performance with the K&N Engineering E-0666 Replacement High-Flow Air Filter. Designed as a direct replacement for the factory air filter, this reusable filter uses layered, oiled cotton media to improve airflow while helping protect the engine from dirt and harmful contaminants. Its unique oval tapered design supports efficient air delivery for compatible Porsche flat-six applications.

The K&N E-0666 is washable, reusable, and engineered to last for the life of your vehicle, helping reduce the waste associated with disposable filters. It installs easily into the factory air box without requiring modifications, making it a practical performance upgrade for street-driven vehicles. K&N backs this filter with a 10-Year/Million Mile Limited Warranty for long-term confidence and dependable service.

Key specifications and technical data: Brand: K&N Engineering; Part Number: E-0666; Filter Type: Washable and reusable high-flow replacement air filter; Filter Media: Layered, oiled cotton; Filter Shape: Unique oval tapered design; Installation: Direct fit in the factory air box; Warranty: 10-Year/Million Mile Limited Warranty; Service Product: K&N 99-5000 Filter Care Service Kit Aerosol recommended for cleaning and maintenance. This automotive filter is not identified as CARB approved, and California emissions compliance should be verified before installation.

What's included: One K&N Engineering E-0666 Replacement High-Flow Air Filter. Fits select 2013 Porsche Boxster, 2014–2015 Porsche Boxster, 2014–2015 Porsche Cayman applications with 2.7L or 3.4L H6 engines. Always confirm the vehicle application and original filter configuration before ordering.

Features:

• High-flow performance: Layered, oiled cotton filter media is engineered to improve airflow and support increased horsepower.
• Reusable construction: Washable filter design can be serviced and reused throughout the life of the vehicle.
• Engine protection: Multiple layers of cotton media help capture contaminants while maintaining efficient air delivery.
• Easy installation: Direct replacement installs into the factory air box without modifications and is backed by a 10-Year/Million Mile Limited Warranty.

Fitments:
2013 Porsche Boxster Base
2013 Porsche Boxster S
2014 Porsche Boxster Base
2014 Porsche Boxster S
2014 Porsche Cayman Base
2014 Porsche Cayman S
2015 Porsche Boxster Base
2015 Porsche Boxster GTS
2015 Porsche Boxster S
2015 Porsche Cayman Base
2015 Porsche Cayman GTS
2015 Porsche Cayman S
2016 Porsche Boxster Base
2016 Porsche Boxster Black Edition
2016 Porsche Boxster GTS
2016 Porsche Boxster S
2016 Porsche Boxster Spyder
2016 Porsche Cayman Base
2016 Porsche Cayman Black Edition
2016 Porsche Cayman GT4
2016 Porsche Cayman GTS
2016 Porsche Cayman S
2020 Porsche 718 Cayman GT4
2020 Porsche 718 Spyder Base
2021 Porsche 718 Boxster 25 Years
2021 Porsche 718 Boxster GTS 4.0
2021 Porsche 718 Cayman GT4
2021 Porsche 718 Cayman GTS 4.0
2021 Porsche 718 Spyder Base
2022 Porsche 718 Boxster 25 Years
2022 Porsche 718 Boxster GTS 4.0
2022 Porsche 718 Cayman GT4
2022 Porsche 718 Cayman GT4 RS
2022 Porsche 718 Cayman GTS 4.0
2022 Porsche 718 Spyder Base
2023 Porsche 718 Boxster GTS 4.0
2023 Porsche 718 Cayman GT4
2023 Porsche 718 Cayman GT4 RS
2023 Porsche 718 Cayman GTS 4.0
2023 Porsche 718 Spyder Base
2024 Porsche 718 Boxster GTS 4.0
2024 Porsche 718 Cayman GT4 RS
2024 Porsche 718 Cayman GTS 4.0
2025 Porsche 718 Boxster GTS 4.0
2025 Porsche 718 Cayman GT4 RS
2025 Porsche 718 Cayman GTS 4.0

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