K&N Performance Air Intake System (30-2605) Audi A1 It can be used on

It can be used on both panel and cone filters with a foam construction

The Splitter is a truly remarkable valve that gives a combination of blow off and recirculation valve operation all at the same time and has been specifically designed for the many turbo engined applications that operate metered airflow management sysyems

and throttle body hose

2 TSi engine ZBZA

Inside diameter: 30mm (1 3/16")

K&N Performance Air Intake System (30-2605) Audi A1 It can be used onThe K&N DRYFLOW Air Intake System replaces your vehicles restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicles engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engines RPM range. The DRYFLOW Air Intake System features an oil