IS MY MOD LEGAL?

Underglow in New Hampshire

Vehicle type: Sedan

Conditional

Underglow is legal in New Hampshire, including while driving, subject to color and flashing limits: All forward-facing light must be white or amber and rear light red; there is no underglow-specific ban.

Verified against primary sources · August 2026

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Frequently Asked Questions

Are underglow legal in New Hampshire?
Underglow is legal in New Hampshire, including while driving, subject to color and flashing limits: All forward-facing light must be white or amber and rear light red; there is no underglow-specific ban.
What are the underglow limits in New Hampshire?
Underglow is legal in New Hampshire, including while driving, subject to color and flashing limits: All forward-facing light must be white or amber and rear light red; there is no underglow-specific ban. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for underglow in New Hampshire?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.

Street-legal underglow picks

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