A short shifter is one of the most popular upgrades to any car on the roads. The installation is easy, the cost is reasonable and the effect of shorter gear throws can be felt immediately.
Quaife ATB limited slip differential is the best street & trackday diff available. Quaife differentials are silent, reliable and come with a lifetime warranty. Works like a charm on a daily and with traction control, and if necessary transforms it into a track monster. BMW and Mercedes Quaife differentials are also listed.