Grimmspeed Electronic Boost Control Solenoid Mitsubishi EVO 8 / 9 2003-2006 | 057019 vendor_ARP *Proper break in and running

*Proper break in and running high zinc oil is a must on flat tappet engines

By providing multiple points

which can actually make your car handle worse than stock when carving out those deep corners

Install a GFB Non-underdrive light-weight under-drive pulley kit and get better throttle response and more power

Grimmspeed Electronic Boost Control Solenoid Mitsubishi EVO 8 / 9 2003-2006 | 057019 vendor_ARP *Proper break in and runningFitment Information: 2003 2005 Mitsubishi EVO 8 2006 Mitsubishi EVO 9 Features: The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw the same amount of power as the factory BCS but flows better and reacts faster. It plugs in and requires no splicing or soldering of resistors. With the included bracket you