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Cusco's original groove cut technology for improved efficiency on the clutch plates
Reduces rear end float under acceleration
This air/fuel information is displayed on an integrated OLED display along with manifold pressure and wastegate duty status
The Invidia over pipe closes that gap cleanly
understeering/oversteering can be controlled by adjusting front/rear damping force separately
GSC Power-Division Single Beehive Valve Spring Set w/ Titanium Retainers - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_brake-upgrade-kits Cusco's original groove cut technologyThe Single Beehive Valve Spring Set with Titanium Retainers will allow the Subaru STI to reach the upper RPM range. GSC Power Division Single Beehive Valve Spring Set w Titanium Retainers Specs: Allows you to rev faster Lighter components More durable design and construction Less stress on valvetrain components Lower spring frequency for more precise valve control. More valve control equals more aggressive cam profiles All of these items help to