This is the code for the F094/s chassis. This will change the wheelbase, so be prepared for the wheels to not be properly aligned with the car's body. Use with the car with stage 3 reduction. Haven't tried with stage 1 or 2, so experiment.
25C263BC 0A6F4DCD F094/S Chassis 540Kg
25C53338 4A460DE7 2890 mm wheelbase