Cones Vs Panel Filters - Dyno Tested

We all cones sound better but do they perform better….? Join me on the dyno to find out what works best! Thanks to Viezu for giving us their dyno time for the testing and for the great customer service as seen at the end of the video -    / viezutechnologies   And thanks to my wife as always for documenting everything and taking photos. Check out her channel -    / @helenhollywoodvlogs