GFB HYBRID TMS Dual Port 35mm Inlet/30mm Outlet 97-98 Subaru WRX/STi Engine Components>Main Stud & Bolt Kits

GFB HYBRID TMS Dual Port 35mm Inlet/30mm Outlet 97-98 Subaru WRX/STi Engine Components>Main Stud & Bolt KitsALL 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

64" deep x 3

engine oil droplets make their way back through the intake tract and can build carbon on the valves ultimately robbing your high-output V6 of its performance

Throw-out bearing included

and sound with the Remark double walled axle back exhaust

NGK’s OE legacy

especially at idle

refill your system with Mishimoto Liquid Chillandreg Synthetic Engine Coolant

HC10-HDR6 kit features ACT's most popular Heavy Duty pressure plate

eliminating any sort of rough ride

3/16 Steel Construction

View the 21-836WR vehicle applications to determine the legal status for each vehicle

DN3-HDG6 kit features ACT's most popular Heavy Duty pressure plate