Hi guys,   I am not very knowledgable with regards to the gains (if any) I may get from doing this, but I thought I'd ask for opinions. I bought my 350Z (2004) DE completely standard. Since then, due to the strict Luxembourg laws on modifications, I have only managed to fit the following:   - Invidia Gemini true dual cat-back system - Lightweight Flywheel - New clutch   I was thinking of getting a remap done on the car, but wanted to know the following:   - Is it worth doing? - If so,