Feature: The Power brake booster has a fast vacuuming speed and a high vacuum degree. It can pump the vacuum degree in a 2 liter vacuum bottle to more than 0.09 within ten seconds. Moreover, the ...

In the quest for that "rumpity-rump" sound, and all the performance that goes with it, your engine will more than likely lose the consistent flow of vacuum needed to aid your foot when the time comes ...