K&N Replacement Air Filter (33-2925) Mini F57 The majority of our dyno

The majority of our dyno testing was done on our VW Golf R MK8 EA888 Gen 4

38mm inside diameter

2ft OBD2 extension

K&N air filters are washable and reusable

Its fully compatible with either the OEM filter box or our intake for this application

K&N Replacement Air Filter (33-2925) Mini F57 The majority of our dynoK&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your