After the bulb sockets in my car’s corner lights and the turn signal socket in one of my tail lights went bad, I decided it was time to replace a number of the exterior lights on her. I replaced everything except the headlights, which are the OEM units from the factory (I really like the OEM HIDs, so I see no need to swap them out).
The first thing I replaced was my corner lights. They had been the OEM ambers, but they clash with the black paint so I got smoked clear corners. I opted for LED amber lights instead of the chrome/amber incandescent because I like the clean flash characteristic and color of LEDs.
Next I replaced the stock amber side markers with dark smoked clear side markers. I chose the dark smoked ones because on a black car, when they’re not illuminated they all but disappear into the paint job so you get the best of both worlds – a clean, unbroken look when they’re off and extra signaling when they’re on. Again, I opted for LED amber lights instead of incandescent bulbs.
Finally I replaced the tail lights. I chose smoked red/clear LED units, for all the reasons I’ve already listed. On a black car especially, the smoked tails give a much cleaner look.
I’m really happy with the look these lights have given my car. I’m amazed at what a difference the tail lights make. Plus, the LEDs look awesome when they’re lit up 
Now that everything on the exterior is LED (minus the headlights), I need to replace the license plate bulbs with LEDs as well. I don’t know if I’m going to replace the interior lights with LEDs, only because I like the off-white glow of the stock bulbs. In time I may change my mind though.