Originally Posted by Epstein
D-Jetro for PowerFC will eliminate the MAFS, replacing it with a MAP sensor and intake temp sensor, from what I understand. It will also allow you to do closed loop boost control. AEM's MAP setup reportedly makes more power than the MAFS system on S13, but I wouldn't doubt that it's partially due to the tiny stock MAFS. Ditching the MAF sensors also means that you can vent your BOV to atmosphere without penalty.
Oh yeah , i've been fighting with my bov adjustment now for about a week. I get it to where it works right , but the maf sensor doesn't like it at times. Can't wait till i get to ditch this thing.