I want bigger brakes, but I also want to keep my OEM 17" wheels. Am I stuck with the 2000 Cobra R brake kit?
For all intent and purposes I would say yes, you're stuck with the 13" kit with 17" wheels.
However, having said that I did try my 17" CCW wheels under my new Brembo 14" brake kit when I got it:
The wheel actually fit:
But the 3 pc. CCW wheel is a very thin shelled wheel. Most 17" wheels most likely would not fit. I did not feel the brakes would cool sufficiently because this was going on a dedicated track car. So I ended up selling all of my 17" wheels and upgraded to 18's.
FWIW