Features:

• 1 x MAC 3-Port 120psi solenoid with harness plug
• 2 x Vacuum hose brass fittings
• Plugs into factory harness (EVO 7-9 Manual)
• Faster response and greater flow than any other valve out there. (by more than 10%!).

The MAC Boost Control Solenoid is designed to work with your factory computer (requires tuning).  Once connected start tuning for fast boost response, increased boost pressures.