What Exhaust size makes the most power!!! 3" 3.5" or 4" (Dyno proven results!)

I take my 700 HP MX3 and test out Many different exhaust setups! 3 inch with a muffler, 3 inch straight pipe, 3.5 inch straight pipe, and a 4 inch straight pipe! what one will make the most Horsepower! this is being tested with back to back dyno runs! well the proof is here lets settle the debate ! Join this channel to get access to perks:    / @suicid3mx3   instagram: suicidemx3 like comment subscribe! and also click the bell for all notifications!!!!!