Perrin Rear Differential Lockdown System WRX / STI (2008-2014) Mercedes Carbon semi-metallic friction material

Carbon semi-metallic friction material

T dampers as part of lowering kits with Eibach lowering springs

2003-2007 Nissan 350Z

- Ideal for use with any Turbosmart boost controller

25" exhaust split helps maintain proper exhaust velocity

Perrin Rear Differential Lockdown System WRX / STI (2008-2014) Mercedes Carbon semi-metallic friction materialAdd drivetrain rigidity and precision to throttle input to your Subaru WRX STI 2008 2014 with this PERRIN Performance Differential Lockout Kit. PERRIN Differential Lockdown kit consists of 2 aluminum plates and 4 urethane bushings to completely remove any and all movement from the rear differential under all conditions. From performance street driving, to road racing, drifting or drag racing this will handle and improve it all! Under these conditions