Does either of these devices do the same thing as the ARC2?
<a href="http://www.pro-flow.com/Product%20pages/MAFtuner.htm">MAF Tuner</a>
<img src="http://www.pro-flow.com/Instruction_pics/Maftuner%20pic%20of%20box%20front.gif">
<a href="http://www.pro-flow.com/Instructions/16s.htm">MAF Calibrator</a>
<img src="http://www.pro-flow.com/catimages/mafcal9601.JPG">



