ECU Extension Harness???

[KTS]

Good day everyone, let me start by saying what a great community this is I have already learnt so much from just reading through the forums.

I recently purchased a 2007 Toyota Vitz RS 1.5L Manual.
I want to install an AEM EMS-4 but I do not want to cut or splice into the original wiring harness. I have contacted AEM and Tweak'd Performance with no luck as they are saying they do not have the connectors for the 2007 Vitz RS. Although Boomslang makes a Patch/Extension harness for the vehicle compatible with the EMS4 I personally thing their price is too much (nearly the cost of the EMS-4 itself).

This leads me to the following questions I hope to get answered;
1) Athere any other companies that can make the Patch/extension Harness?
2) Is there some place that I can purchase the Boomslang Harness at a resonabe price?
3) Is the USDM Yaris and the Vitz RS have the same ecu connectors.?

Attached are pics I recently took of the ECU and connectors in my 2007 Vitz RS.
Any and all assistance will be greatly appreciated.