In the end it's your car and you drive it. So do what you like. I plan on doing a custom paint on a Z in the near future. Doesn't matter what others think really. Now if you plan on making it a show car then I personally wouldn't put a ton of money into the performance. Seems like it would be a waste... Life is short, drive it like you stole it and enjoy the boost!
Grammar. The difference between someone knowing their shit or someone knowing they're shit. Capitalization. The difference between helping your Uncle Jack off a horse or helping your uncle jack off a horse.