MotorDyne plenum spacers offered at B2autodesigns
so what will the 1/2 spacer alone do for the revup motor in terms of power gains? and can it still be paired up with the mrev2 ? Why do people tend to go mrev2+5/16 spacer?
oh and pm price for mrev2 shipped to 90248
oh and pm price for mrev2 shipped to 90248


