K&N Replacement Air Filter (33-2403) Audi > RS3 > 8Y 2021 On You will then have a

You will then have a vacuum / boost connection suitable for 4mm tube or similar that can be used to install a boost gauge

OEM Part Number: 1045887-00-B

Blow Off Adaptor

Does not fit 500/595/695 US models

The filter neck has an inner diameter of 101mm

K&N Replacement Air Filter (33-2403) Audi > RS3 > 8Y 2021 On You will then have aK&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