Originally Posted by Bariga
That's exactly what Jegs unit does when you at full boost it creates back pressure when not it stays closed and also its prone to fail l95% "because you have rubber seal + exhaust temps = fail"
This unit makes allot more sense because it take less energy to open and has metal assembly which is more durable.
So when does the exhaust see a vacuum? Or is it more of a pressure differential thing?
My EGBP sensor seems to always be at or above atmospheric