GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) Durable BMW rubber compound that

Durable BMW rubber compound that stands up to heat cycles and oil vapour without splitting

This listing is for the fully recirculating version

Enjoy supple compliance on B-roads

Fits BMW 5 Series E60 saloon models including:

and feedback has been consistently excellent: stronger pull

GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) Durable BMW rubber compound thatAll the Performance with the Noise! The Hybrid valve is back! In 1999, GFBs first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By staging the two venting outlets, at low valve lifts most of the air is recirculated. As the car is driven harder, the valve opens further and more of the atmosphere venting port is exposed for a louder sound. As a benefit, this system makes