Is there any way that you can prevent that from happening?

 

i'm not too sure. I haven't taken them off the car to inspect, but this is what I suspect:

1) water condensation is getting in from where the bulbs are connected to the lights. Some of the bulbs didn't have a GREAT tight connection (ie: the water seal).

2) the actual casing is opening from somewhere letting condensation build inside.

 

i just got my apc carbon fiber tail lights in the mail...i need to install them...whats the easiest way...never done it b4. i also was advised to seal them w/silicone to help from water getting in etc....so i got that to....i'm ready to put 'em on....

i paid $180 for mine at nopi, thats including shipping too.

 

Well installation is very easy. Just remove the bolts holding your stock ones on and switch the lights. $180 sounds a bit steep to me, especially for the carbon fiber ones.
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