Dart Twin Snorkle Cold Air Intake

Now you all need to get a magnahelic and measure the static pressure inside your air cleaner. Getting the correct range would be the trial and error problem. Most can register a difference. Like the pressure at the entrance vs the pressure in the air filter chamber. If you have pressure or at minimum no vacuume (at speed)
in the air cleaner your doing something right.

Dwyer Ins Magnehelic Pressure Gauge Max Pressure 15 PSIG 2010 C Inches of Water