Original Skunk2
performance intake manifold
only for Honda B18C GSR .
Item comes in box.
Original sticker included.
Proven performance.
Very limited item.
Nett price.
when the is -vacuum it will suck the diaframe to lower down the pressure, full throttle when 0 vacuum most of the stock regulator will rise to 41psi.
how about boost?
will the air pressure push the diaframe down and...