Measure the number of holes and the diameter of each,.. add them together,... divide by the inverse square of the tube circumference,.. and multiply by the jet size...
If you end up with a letter instead of a number,... you did it wrong, just like me...
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I'd estimate,.. a bit.... say, a 52.5# becomes a 53#.... or nothing significant...
I think it'd mostly supposed to smooth the delivery, more than make more flow....
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