Quote:
Originally Posted by wookwook
I am interested in knowing more what that actually does do, I read the benefits, but.. you know, like why is it better other than highly machined.
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The BOL? The stock recirculating valve is a cheap piece of plastic that leaks boosted air. The aftermarket valve has a tight seal and, theoretically, should let you see an increase in 1-3 psi boost, as well as a wider range of boost (shouldnt drop off as hard after 5000 rpm).