The picture is of a after market electric car heater.
The FJ is lahore registered and running on CNG. a SUV 4x4 is not a pavement ride it is a utility vehicle for terrain use need muscle & torque to execute what is impossible in a sedan elsewhere.
The hard top is not original its been locally fabricated. The Hard Top FJs are different & available from Pakistan Govt auctions in extended chassis ambulance versions.
it is purely your choice & purpose of having a 4x4. - shashka or simply exploring the wilderness.