Mazdaspeed Electronic Boost Control Solenoid EBCSThe Damond Motorsports Electronic Boost Control Solenoid kit (EBCS for short) is the perfect solution for managing boost on your turbo setup. Every turbo application can benefit from running a 3 port. Benefits include faster turbo response, and potentially higher boost at high load. We utilize a genuine 3 port MAC valve straight from the source, so you don't have to worry about a knock off valve. It comes pre wired to a factory style Mazdaspeed