things to make the zed better in the corners
0. get some driver training; so you can use ever once of the car
1. make sure it has the best tyres you can afford, preferably MPS2 or similiar r888 even better
2. make sure the geo on the car is setup for best performance, places like DMS and abbey should be able to set the car up to your liking.
3. if you have the money, get a decent set of coilovers before you do the geo setup.
4. really good discs and pads, and decent brake fluid. you want to be able to brake late and hard, without fade.
5. make it lighter take any crap out you don't need, if you have no passenger take the pax seat out.
6. make sure your on 99 ron or more fuel
7. for shear fluke try an octane booster in there as well.
8.you could spend big money, and go for light forged wheels, and nuts to reduce unsprung weight, but it all starts getting silly money for little gain.
9. there is body stiffening products from summit. will help it corner better
to be honest the first 3 should make the most impact