IS MY MOD LEGAL?

Headlight & Taillight Tint in Montana

Illegal

Smoked or tinted film on headlights and taillights is illegal in Montana. Headlights must emit white light and taillights must show red at the required visibility distance, and tint that dims or discolors them violates those requirements.

Verified against primary sources · August 2026

What the law says

Smoked or tinted film on headlights and taillights is illegal in Montana. Headlights must emit white light and taillights must show red at the required visibility distance, and tint that dims or discolors them violates those requirements. Montana has an express ban: it is unlawful to operate with headlamps composed of, covered by, or treated with tinted or colored material that obscures visibility, unless that tint was factory standard or optional equipment. Taillamps must show red plainly visible at 500 feet (1,000 feet on post-1956 vehicles).

Specific Limits

Film permitted
No
Headlight color
white
Taillight color
red

Exceptions & Exemptions

Montana prohibits any material that reduces light transmission from headlights and taillights

Statute

MCA §§ 61-9-203, 61-9-204

Read the statute →

Frequently Asked Questions

Are headlight & taillight tint legal in Montana?
Smoked or tinted film on headlights and taillights is illegal in Montana. Headlights must emit white light and taillights must show red at the required visibility distance, and tint that dims or discolors them violates those requirements.
What are the exact headlight & taillight tint limits in Montana?
Film permitted: No. Headlight color: white. Taillight color: red. Source: MCA §§ 61-9-203, 61-9-204.
Are there exceptions for headlight & taillight tint in Montana?
Montana prohibits any material that reduces light transmission from headlights and taillights

Street-legal headlight & taillight tint picks

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