GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT single-gated 5 has been developed for

5 has been developed for exceptional performance in a variety of Coilover applications

2022 Honda Civic Sport 2018-2020

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2006 GMC Sierra 2500 HD SL 2001-2017 GMC Sierra 2500 HD SLE 2001-2017 GMC Sierra 2500 HD SLT 2003-2014 GMC Sierra 2500 HD WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2002-2005 GMC Sierra 3500 Base 2001-2002

It's easy to overlook the small details

GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT single-gated 5 has been developed forALL THE PERFORMANCE WITH THE NOISE! The Hybrid valve is back! In 1999, GFB's 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