Ramair ProMax Large Universal Foam 80mm Rubber Neck Air Filter in Enclosed Airbox Exhaust Systems This gives added control to

This gives added control to reduce blowby for EJ20 owners who use their cars for high performance driving

the standard design and the GTR design with a more concave spoke shape are available depending on the size

Performance increase: 14-20hp

This filter is fully compatible with high viscosity oil

2020+ Cayenne Turbo

Ramair ProMax Large Universal Foam 80mm Rubber Neck Air Filter in Enclosed Airbox Exhaust Systems This gives added control toThe ProMax enclosed filter has a modular design. Supplied with a bell mouth inlet and base adapter the housing can be combined with a selection of Ramair and Proram filters in various neck sizes, making this great for multi fit applications. The aluminium enclosure shields against hot air keeping the intake temperatures low, while the bell mouth smoothes the airflow and significantly improves the performance. ProMax is great for applications in