Doubt it - the GTR has to comply with M1 Targa Regulations which permit very limited modifications.

Considering IMG is advertising road registered GTR's for $175k, then that's a lot to ask for a roll cage, seats & other minor bits.

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MY09 Evo X - 1.6bar@3500rpm - got lag?
Barbagallo - 56.03 (S); 1:08.09 (L)
Collie - 50.77
Possibly the most under-driven Evo X in the world??