Perhaps this was mentioned on the forum already but Underdog Racing Development URD now has MAF Extension for people installing a TRD Cold Air Induction, so they do not have to cut up their wiring harness.
When I installed my TRD CAI, I used their MAF extender which was for a Supercharge application. It worked great but was a little to long for my application, so used some zip ties and tucked the extra cable out of sight.
Well now they have a shorter version it would seem to better fit the TRD CAI.
I have to bet there is a bigger market for this one as opposed to the Supercharge version.
URD MAF Sensor Extension Harness for DENSO MAF - Underdog Racing Development
Just thought I would pass this along