My cost was north of 3.5M, but they went through the entire transaxle. Renegade sent it out to a well known Porsche racing shop. So I had a middle man, but at that point I was trying to work with Renegade since it was early in the project. The transaxle is buttery smooth. I love the gearing, with nearly 400 HP at the rear wheels I don't need to be smoking $300 tires from every stop sign.
Here's a gearing chart for my setup:
