A cage can be welded in here in The Netherlands and still pass MOT, so no problems
Here is a picture of the full cage. It took me longer to unpack it than to assemble it!
I also updated the complete list of parts that have been replaced:
Engine
CT Engineering Supercharger
CT Engineering Oil Pump
AEM EMS ECU
550cc Injectors
Walbro 255 LPH Fuel Pump
Science of Speed Fuel Pump Power Distribution Kit
CT Engineering Fuel Pressure Regulator
High Boost Pulley
Wiseco/SOS 9:5:1 Pistons
Science of Speed Forged Valves
Science of Speed Dual Valve Spring Kit
Science of Speed Titanium Valve Spring Retainer
Science of Speed Dual Valve Spring Base Set
Science of Speed Lost Motion Assembly Kit
MLS Head Gaskets
ARP Head Stud Kit
CT Engineering Adjustable Cam Gears
Power Enterprises Timing Belt
Science of Speed Damper Pulley Shield
Dali Racing Coolant Tank
SFS Silicone Coolant Hoses
Gruppe M Kevlar Intake
Downforce Intake Scoop
Super Taitec C3 Model 2 Exhaust
CT Engineering Headers (graphite heat wrapped)
CT Engineering Test Pipes
Exedy Ceramic Clutch
Science of Speed Oil Pan Baffle
Exterior
Taitec JGTC 2000 Front Bumper
Custom Carbon Splitter
Taitec JGTC 2000 Rear Fenders
Taitec GT500 Carbon Wing
Yokota JGTC Front Fenders
Marga Hills Side Skirts
Gruppe M Carbon Side Vents
Downforce Carbon GT Diffuser
Downforce Carbon Decklid
Downforce Carbon Bezel
Plastics4Performance Rear Hatch
Plastics4Performance Side Windows
Plastics4Performance Partition Window
Seibon Carbon Louvered Hood (on order)
Suspension
KW V3 Clubsport Coilovers
Dali Racing Race Front Swaybar
Cedar Ridge Fabrication Heavy Duty Toe Links
Cedar Ridge Fabrication Heavy Duty Beam Bearings
Cedar Ridge Fabrication Compliance Clamps
Cedar Ridge Fabrication Adjustable Sway Bar Links
CT Engineering Competition Front Camber Bushings
Wheels and Brakes
Varrstoen 18×10.5 Rear
Varrstoen 18×9.5 Front
Toyo R888
Movit (Brembo) Front Calipers
Dali Brake Ducts
Brembo Discs
Movit Steel Brake Lines
Interior
Safety Devices 6-point FIA Roll Cage
R-Developments Composite Bucket Seats
Sabelt 4 Point Belts
AEM Wideband Gauge
Sparco Pedals
OMP Steering Wheel
Zanardi Shift Knob