Home KOZI Back Pressure Exhaust Y15ZR 32MM 🔍 Back Pressure Exhaust Y15ZR 32MM Compatible with: Increase power pick-up Back-pressure type Horse Power up to 2hp It sound just like the standard Category: KOZI WhatsApp Related products CDI 8 mode non adjustable MT EX5 CDI 8 mode non adjustable MT LC135 Throttle Position Sensor (TPS) Y15ZR