The thing is, both those terms are relative to whom you're asking.how loud is the orp vs the hfc i dont want anything anoying loud,
how about if you got DSTuner from tom and get an upgrade for getting the ORP? Which one would be better than? or will it still be the same in performance?or should i get the hfc because there about the same performance wise and its quieter
That gets my vote. [thumb]
The HFC gives a substantial boost off the line and throughout the mid-range rpm.
^^^Right where you really need it.
And, you will get a louder exhaust with the HFC as it is, especially when you put the pedal to the metal.