I can't stand the electric pump whine, it's really loud on my RR but I do like them for quick start up. My RR still has a stock pump on it that I assume is still working also. I simply need to interrupt the electric pump with a switch I can momentarily turn on at start up instead of being on all the time. My AAR has a block off plate with no mechanicle pump but easy fix assuming the eccentric is still there. The electric pumps are both mounted near the fuel tanks and you can't even see them to retain my stock look.