S&B claims that their filter draws it's air through the inner opening primarily. When extra air is required (WOT) it then utilizes the complete inner/outer filtering area. Sounds like this is incorrect and it's always drawing from both sides of the filter. What does the inside of your contraption look like?
Technical Director/Co-Owner Performance Fords-check out our new throttle body service
95 SE with lots of custom 1 off mods. All design, fabrication and installation by owner.
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