Hate to say it, but not all the ITRs came with red key, heck, mine are white, and as are most of my friends. I do though, have a buddy who has a TL Type-S whos keys have a red acura logo, go figure. Either way, it wears off pretty quickly
I wouldn't get rid of your imobilizer either, just to run a different key, and no you can't do it your self, nor can the dealer, or would even if they could. And, no, they can't program a key, especially as it won't have a chip.
Any way, good luck with it, I would just say the hell with it and use your factory keys.
Later,
Aj