Quote Originally Posted by Bronco Boy View Post
Yup, the light is 4". The smallest part of the hole in the bumper is around 4.25", but if a light was that big, you would have trouble adjusting it.
People actually adjust their foglights? lol

I stuffed a set of 4.25'' Montana fog's in my GTP, they fit super snug, and I never bothered adjusting them... rarely use them anyways