Rear box will give you diddly squat. Induction kit will rob you of horses unless it is shielded, even then you are looking at marginal gains unless you have a heavily modded car. Everyones first mod should be a short-shifter!
Tanoga - They also come up in the For sale section occasionally I bought mine from there - takes about one hour to fit - make sure you have an exstendable magnet thigamy jobbie........