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Those 8 little air filters on each trumpet look neat, but I bet you are robbing some horsepower there. I did some back to back testing on a restricted intake with an air filter just like those a few inches ahead of the neck of the inlet restrictor, air filter on vs air filter off, panty hose stretched over the trumpet for a filter.
Huge gains without the cone filter. It was a 110HP motor and we saw an extra 6 HP or so peak without the filter.
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