Quote:
Originally Posted by MNBoxster
Hi,
It's only a restriction if the engine can gulp more CFM than the Snorkel can provide. If the Snorkel meets this demand (which I suspect is the case), then it's merely a smaller hole, but with no consequence. You'd need a Flow Bench to say for certain. Excellent observation though...
Happy Motoring!... Jim'99
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That's totally incorrect. It's always a restriction and there will always be some pressure drop, no matter how much or little the engine is pulling in as long as some air is moving. A flow bench would show a pressure drop as soon as any air started flowing through the snorkel.