K&N washable, reusable High-Flow Air Filters feature layered, oiled cotton media engineered to improve airflow and capture contaminants. The E-0666 is an oval tapered replacement built on that platform for the Porsche H6. The manufacturer lists a height of 8.375 in (213 mm) and a base outside diameter of 4.188 in (106 mm), with the filter rated at up to 99% efficiency.
Compared with a disposable factory element, this filter is built to stay in service for the life of the vehicle, and it is backed by K&N's No-Hassle Lifetime Limited Warranty. The manufacturer also says the design is intended to increase horsepower, though no output figure is published for this part. Because it is a drop-in unit, K&N drop-in replacement filters are designed to install easily into your factory air box. Buyers searching for a washable Porsche Boxster H6 2.7L intake filter or a reusable Cayman air filter should confirm application details before ordering.
Yes. The manufacturer describes it as a washable, reusable filter engineered to last the entire lifespan of the vehicle. Follow the manufacturer's instruction sheet for the cleaning and re-oiling procedure.
No. The manufacturer states it is a drop-in design that installs into the factory air box.
The manufacturer's listing names the Porsche Boxster H6 2.7L fuel injected. Confirm 3.4L and Cayman application with the manufacturer before ordering.
This is a drop-in replacement: remove the factory paper element from the air box and seat the K&N in its place, using the two screws included in the package. The manufacturer publishes an installation instruction sheet for this part, which should be followed for seating, clamping, and cleaning. Confirm tool requirements and procedure against that sheet before starting.
