I got this one.....
Quote:
Originally posted by azninside
I was wonderin that too...what exactly is purgin? is it kinda like a blow off valve on a turbo, only for NOS?
-AZNinside
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It releases the vapor from the nitrous line. The idea is to get the liquid injected rather than the vapor. Its a worthwhile investment. You do notice a big difference between getting vapor injected and liquid.