For C30 engines, two units are required. Additionally, they can also be used as block-off plugs for the air injection ports coming from the air pump on C32B cylinder heads, in which case six additional units are needed (for a total of eight).

The EGR Canceller is a device designed for motorsports or off-road use, which allows the EGR (Exhaust Gas Recirculation) valve to be removed without triggering a check engine light. It achieves this by sending a simulated signal to the PGM-FI (Programmed...