RQB000390 - ACE Pipe – Rear Lower HPDescription: ACE High Pressure Pipe Rear Lower within the Active Cornering Enhancement hydraulic circuit. This pipe carries hydraulic pressure from the ACE valve block to the rear anti roll bar actuator, routed along the lower chassis path at the rear of the vehicle. The ACE system applies controlled torque to the anti roll bars via hydraulic actuators to counteract body roll during cornering this pipe is part of the high pressure delivery side of the