No you dont, just download it and open dds files straight away, then edit as you want and save as directdraw surface (*dds) which is right at the bottom and your done!
Quote from elmasfumao :Thank you all i now i could do the light colors thanx to all the help i recieved You're welcome (even I didn't really help you haha). I thought to edit the XRR front lights, to yellow, thank you to have remember me that !
can be done in a directx wrapper / hook, not too diffucult chap, although it can also be done via the dds / config method