Is this normal?

[03ramit1]

That's crap. There shouldn't be enough change in air pressure to matter. Your talking what maybe a 1/4psi at most. I'm sorry but I would have to purge the housing with a dry gas, argon, or nitrogen for example, and then seal up the light. That moisture will be a nightmare when the lense turns hazy in a few years. Wonder if they fixed this on the 16's

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[aerodyn]

If you decided to take a road trip to Colorado, the change in air pressure would be roughly 4-6 psi. Most modern, large headlight assemblies are vented.

 

[03ramit1]

Have you seen the lights on the 06-08 Dodge Ram? It's half the size of a mustang front end and they are sealed.

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