K&N Engineering E-0668 Replacement High-Flow Air Filter for Audi R8, 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 vehicle’s intake system with the K&N Engineering E-0668 Replacement High-Flow Air Filter. Designed as a direct replacement for the factory air filter, this washable and reusable filter installs into the original air box without requiring permanent modifications. Its layered, oiled cotton media is engineered to improve airflow while helping capture contaminants, supporting responsive engine performance and reliable protection.

The K&N E-0668 is built for long-term use and is designed to last for the life of your vehicle when properly cleaned and serviced with an appropriate K&N filter care kit. Replacing disposable filters with a reusable alternative can also help reduce waste from used filters and packaging. The filter is backed by K&N Engineering’s 10-Year/Million Mile Limited Warranty for added ownership confidence.

This automotive replacement air filter is designed for select Audi R8, Porsche Boxster and Porsche Cayman applications. Fitment includes the 2009 and 2012 Audi R8, 2013 and 2014 Audi R8, the 2013 Porsche Boxster, and the 2014 Porsche Boxster and Cayman. Verify the vehicle year, model and engine application before ordering. K&N associated product 99-5000 Filter Care Service Kit Aerosol is available for maintenance.

Key Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: E-0668
• Product Type: Replacement high-flow automotive air filter
• Filter Media: Layered, oiled cotton media
• Installation: Direct drop-in replacement for the factory air box
• Serviceability: Washable and reusable
• Warranty: 10-Year/Million Mile Limited Warranty
• Maintenance Product: Compatible with K&N 99-5000 Filter Care Service Kit Aerosol

What’s Included

• One K&N Engineering E-0668 Replacement High-Flow Air Filter

Features:

• High-flow performance: Layered, oiled cotton filter media is engineered to improve airflow and support increased horsepower potential.
• Reusable construction: Washable filter design can be serviced and reused throughout the life of the vehicle, helping reduce replacement waste.
• Factory-compatible installation: Direct drop-in design fits the original air box for straightforward installation without permanent modifications.
• Long-term coverage: Backed by K&N Engineering’s 10-Year/Million Mile Limited Warranty for added confidence.

Fitments:
2008 Audi R8 Base
2009 Audi R8 Base
2010 Audi R8 Base
2011 Audi R8 Base
2011 Audi R8 Spyder
2012 Audi R8 Base
2012 Audi R8 Spyder
2013 Porsche Boxster Base
2013 Porsche Boxster S
2014 Audi R8 Base
2014 Audi R8 Spyder
2014 Porsche Boxster Base
2014 Porsche Boxster S
2014 Porsche Cayman Base
2014 Porsche Cayman S
2015 Audi R8 Base
2015 Audi R8 Spyder

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