K&N Replacement Air Filter (33-2266) A6 C6 (4F) sport exhaust centered for left/right

sport exhaust centered for left/right system (without tail pipes)

Coilover Helper Spring (Front): Spring rate (20 N/mm)

Outside diameter 54mm

PFF75K-301 corresponds to location 1 on the diagram

Designed and hand fabricated in the UK

K&N Replacement Air Filter (33-2266) A6 C6 (4F) sport exhaust centered for left/rightK&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