Mass Air Meter: Pro Flow Technologies vs. Pro M Racing

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They are both the same company kinda, different stages of life..lol

If your using the CAI I would use the meter that is calibrated for it.
It just so happens my Pro M meter was purchaced from you Rick. I know The original Pro Flow company was owned by Bob Atwood who designed the factory Ford Mass air meter then later purchaced by Sean Trotter of Pro M Racing. The Pro M Racing meter to me just seems to have a differant "sample tube" design in the way the incoming air is metered. Both meters I have have the same calibration the only other differance between the two is, the Pro Flow is the chrome pipe one and the Pro M Racing is the black plastic. As far as performance, I can't tell any changes between the two.