GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) BMW 535d E60/E61 2006–2009

BMW 535d E60/E61 2006–2009

This listing is for the fully recirculating version

lower fork connection

AP512QB48 dual exit with quad tailpipes

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

GFB T9225 HYBRID DUAL OUTLET VALVE - Audi A3 8L 1.8T Model_M135i (F20 / F21) 3 & 5 Door (2012-2016) BMW 535d E60/E61 2006–2009All 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