bov ?

[dsmnoob91]

i am putting my vr4 motor in my 1991 sl tomorrow i still need a few things i need a vr4 computer and fmic and i need a bov but i am confused on how that works where do i put it and where can i find one cheap ?

[mb3000]

The bov connects to your y pipe, it dumps the air out of your ic piping when you shift gears or back off the throttle suddenly. You can recirculate or vent to atmosphere but the latter is best suited in a blow through setup.