2 Years, owning a 500hp(roughly) i can say your going to spend money!
i bought a pretty complete package from japan tho.
roll cage, 500hp turbos, oil coolers, straight cut dog box, just to name a few.
dog box was failed when it got here, yet still worked 1-4 gears.
replaced with standard box.... which was shagged already. and it broke eventually. but it was only a bandaid really
then 34 gtr box and its all smiles again!
Other than that its been a dream mechenically to own!
but expensive for sure! like with all turbo cars You will find it very very very hard not to want to push it a bit more and more and more and more!