You can chuck a navara/frontier (iirc) diff in there if you fancy splitting it open. I'm sure they are LSD and same as the performance nismo items which will also take the torque and power. £65-£120 from a scrappy over here if you can get the right part number.
Not sure on shafts to go in though! I read it on the Canada gti-r scene
Not sure on shafts to go in though! I read it on the Canada gti-r scene