Quote:
Originally Posted by Aviator44
My question wasn't clear. I understand the desire for having dual port. I was wondering why you went with cutting the mount rather than running block off plates and dual ports on flanges.
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Ryan, maybe this will help answer what I think you are asking. Borg Warner designed the recirculating valves to reduce lag when you're off the throttle (e.g. shifting gears). Instead of dumping out through an atmospheric blow off valve, they recirculate back through the compressor housing to provide faster response once you're back on the throttle. The hybrid versions give you the staple bov sound (though it may be a bit quieter) yet still provide some benefit from the recirculating setup.
