Cobb Tuning Rear Differential to Subframe Mount Bushing Kit - Subaru WRX & STI 08-21/FXT 08-13 FORD_S197 Radium FPDs feature a vacuum/boost

Radium FPDs feature a vacuum/boost reference port that allows the damper to maintain correct performance even at elevated fuel pressures

Direct OEM replacement — mounts to existing threaded holes

Laser-Etched Aluminum: Precision-machined and laser-etched anodized aluminum construction

✅ Complete plumbing kit — integrates with OEM fuel lines

✅ CNC-machined billet aluminium fittings for precision fit and long-term durability

Cobb Tuning Rear Differential to Subframe Mount Bushing Kit - Subaru WRX & STI 08-21/FXT 08-13 FORD_S197 Radium FPDs feature a vacuum/boostRear Differential to Subframe bushing kit (rear of differential) uses specially formulated Polyurethane which allows mounting of the rear diff securely and safely. These mount bushings will reduce the amount of torque twist which enables the vehicle to get the power down quicker all without the noise and vibration associated with harder mounts. Why? Less flex with minimal NVH added. The Rear Differential to Subframe bushing kit (rear of