I dont know the exacts of the process underwent as I bought it like this but in terms of upgrades the engine is original typhoon with bout 50,000kms, brembo brake upgrade, typhoon suspension and bushes, apparently the turbo has been built (no proof of this though), has 45lb injectors I think lol in terms of mods I think that's it..the exhaust is holdin it back along with cooler..I dont no the power figure as I havnt dynod it but im keen to find out