Need help with choice of 1/8 scale diff for E-maxx

[Maxxamongus]

Pics of recent additions to the V-Maxx build. I have installed a Hot Racing aluminum bearing saver steering kit. I removed the blue anodized part of the kit and polished it. (Blue did not go with the color scheme.) Also installed the receiver case. The extra FLM diff case and gears are for the FLM chassis #2 truck upgrade. Getting the second hybrid diff case soon.