Dinan PCU Power Control Unit AN Dry Break Fittings This improve grip significantly as

This improve grip significantly as the inside tyres are kept in greater contact with the road

This super-light and hard nut works to improve contact with the wheel and prevent loose screws

This reduces pressure between rings

1994-2021 Subaru STI (EJ20/EJ25 DOHC)

Dinan PCU Power Control Unit AN Dry Break Fittings This improve grip significantly asDeveloped wholly from the ground up, the Dinan Power Control Unit (PCU) is an evolutionary step in Dinan in line tuning modules based off over a decade of lessons learned in the category. At its core the PCU is similar to its precursors and installs in between select sensors and the ECU, adjusting these signals in order to achieve increased performance the stock programming is unable to approach. However, what sets the PCU apart is its integration