Stage 5 : The need for extra speed...
DXD OFE Stage 3 Clutch & Unorthodox Aluminium Flywheel
Headlight modified to allow cold are for intake filter
Slick tyres fitted
Lightweight door mirrors painted & fitted (250g) (std ones weigh 1.7 Kgs)
http://www.youtube.com/watch?v=M4e3MYoZTWE