I think that when we're comparing 2 cars (or their modifications), we should make the assumption that the driver skill doesn't change (i.e. same person playing 2 different cars). Otherwise, no point to make any comparison.
Chassis: machined 2.5 mm laminated carbon graphite
Upper deck: machined 2.5 mm laminated carbon graphite (front + rear)
Shock towers: machined 3.0 mm laminated carbon graphite (front + rear) with multiple shock mounting and camber link roll center positions
Front axle: XRAY Multi-Diff (one-way/one-way solid/full-time solid axle); Ball Differential (US kits only)
Rear differential: lightweight sealed ball differential with carbide balls and axial thrustbearing