I personally don't like orange to be visible on the headlight/taillights so I replaced the amber front and rear turn signal bulbs with these chrome ones (they still blink amber).
I came across Paradox's post (see below) and got them on ebay from seller: gplightsusa*com
Here's the description:
PY21W 1156 BA15S Silver Chrome Stealth Amber Marker Signal Bulbs
7443 7440 992 WY21W T20 Glass Silver Chrome Light Bulbs Turn Signal GP Thunder
See Paradox's Pix: