The Dual Port is a 50-50 recirculation/vent-to-atmosphere valve for that classic vent-to-atmosphere BOV sound at high boost

You can also upgrade your pre 2021 Wisefab S13 rear suspension kit to new toe arm design by purchasing "S13 Rear Suspension Mod Kit"

This pressure differential is targeted to provide appropriate bearing pressure at low and zero boost levels

Brown/Green 25psi Outer Spring and Brown/Orange 10psi Inner spring (installed)

can see at X RPM

Clutch Kit - Clutch Pro KMI33506HD TPMS The Dual Port is aClutch Pro has a reputation throughout Australia and now in Europe for supplying the highest quality original equipment type clutch kits, clutch components, systems and accessories. Clutch Pro globally sources from respected original equipment manufacturers to complete their comprehensive range. The Clutch Pro range covers passenger car clutch components and systems with over 1600 new clutch kits in its standard replacement range. The Clutch Pro range