god a slagging fest aint it? god people are mature Weight reduction.. free and gives you that little bit faster 0-60 time spare wheels are always good to lose they are heavy but.. if you get a puncture your done for unless you have that gay tyre seal.. Induction kit, Exhaust system, Manifold, Cams, Throttle bodies, chipping the car, re-map, turbo.. expensive option but will give you what your after some things are pricey.. at £150 in fairness your not going to get that much unless some one is selling urgent