As much as I love this concept, it has been almost 10 years since its debut. Any hope for a new RX now relys on the Iconic SP concept.
https://www.supramkv.com/threads/mazda-iconic-sp-concept.15662/
We have a huge thread on the matter, but I think it still looks a little off because of the short wheelbase.
https://www.supramkv.com/threads/duke-dynamics-has-a-widebody-ft-1-kit-for-your-supra.5018/