based on this:
EB48.4 New Features
New CNC 7075 Chassis with Improved Wear Characteristics
Revised Steering Geometry and Ackerman Plate
Bearing Supported Spindle/Carrier Design
Revised Wide Rear Pivot Suspension Geometry
Revised Ultra Efficient Drivetrain with New Universal Driveshafts
Revised Internal Gear Ratio for Improved Efficiency
CNC 4×1.9 Flat/Flat Delrin Pistons and CNC Delrin Guides
New CNC 7075 Aluminum Bleeder Shock Caps (emulsion, vented, non-vented)
New LF (low frequency) Shock Springs
New Fighter Jet Inspired Body Design
I am curious to see what could possibly make it into fiercercsolutions upgrade packs.