Edelbrock performer RPM or AIR GAP intake

Woods74 said
[ame="[MEDIA=youtube]i2DvnoHWagk[/MEDIA]"]Edelbrock Intake Manifold Dyno Test :: Single Vs Dual + Air-Gap Vs Regular - YouTube[/ame]
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That link looked weird so I reformatted it, Edel RPM for the win when you save $100 over a used RPM air-gap...