GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) and feedback has been consistently

and feedback has been consistently excellent: stronger pull

BMW 535d E60/E61 2006–2009

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

Fits BMW 5 Series E60 saloon models including:

Tuned sound profile that is sporty under load and civilised on the motorway with minimal cabin boom

GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) and feedback has been consistentlyAll 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