stiffer and has more adjustment options and improved features

The increased flow is achieved through the efficiency of a straight through valve versus a traditional poppet style valve where the exhaust gas must be turned 90 degrees by the valve

no matter how the valve is actuated

variable actuator cap and base for easy

You can also upgrade your pre 2021 Wisefab S14/S15 rear suspension kit to new toe arm design by purchasing "S14 / S15 Rear Suspension Mod Kit"

JR Wheels SL01 19x10 ET20-40 5H BLANK Matt Bronz CB: 72,6 JR43 stiffer and has more adjustmentPCD: 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40