Underglow in Montana
Vehicle type: Sedan
Underglow is legal in Montana, including while driving, subject to color and flashing limits: No blue (emergency only), no red to the front, no rotating or flashing, and beams over 300 candlepower aimed within 75 feet.
Verified against primary sources · August 2026
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Frequently Asked Questions
Are underglow legal in Montana?
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Street-legal underglow picks
Gear that helps you mod without a ticket in Montana.
The glow that's legal in every state — inside the cabin instead of under it.
Underglow LED kit →Check your state's color and flashing rules before running these on public roads.
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