GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops 1972 Buick Skylark 350 1964-1972

1972 Buick Skylark 350 1964-1972 Buick Skylark Base 1968-1972 Buick Skylark Custom 1992 Chevrolet Caprice Base 1992-1996 Chevrolet Caprice Classic 1993-1994 Chevrolet Caprice Classic LS 1992-1993 Chevrolet Caprice Classic LTZ 1967-1968 Chevrolet Chevelle 300 1967-1969 Chevrolet Chevelle 300 Deluxe 1964-1966

3000203 is a performance street disc and the most popular disc purchased

All parts are created with rugged

1999-2006 GMC Sierra 1500 Fleetside

GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops 1972 Buick Skylark 350 1964-1972ALL 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