Vehicle Mod Laws in Nebraska

Replacing the exhaust system is legal in Nebraska, but a muffler in good working order is required and cutouts or bypasses are prohibited. There is no statutory 'no louder than stock' rule — the standard is that the exhaust must not produce excessive or unusual noise.

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Nebraska sets no statewide decibel limit for passenger cars. A muffler in good working order is required, exhaust may not produce excessive or unusual noise, and cutouts or bypasses are prohibited.

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Smoked or tinted film on headlights and taillights is illegal in Nebraska. 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.

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Frames are legal if nothing is obscured. All letters, numbers, printing, writing, and other identification marks must stay clear, distinct, and plainly visible.

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Nebraska sets no statewide lift, frame-height, or bumper-height limit. The only cap is overall vehicle height of 14 feet 6 inches, and general equipment rules — headlamp height, working lighting — still apply.

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Nebraska requires no cover and permits two auxiliary driving lights mounted 12 to 42 inches. Its aiming rule is unusually strict: non-exempt devices over 25 candlepower must not strike the road beyond 50 feet.

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Nebraska has no statute limiting how low a vehicle may be. General equipment rules — headlamp height, working lighting, nothing dragging on the road — still apply.

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Underglow is legal in Nebraska, including while driving, subject to color and flashing limits: No flashing or rotating, no red or green visible from the front, and rear light limited to red, yellow, or amber.

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Nebraska requires fenders, covers, flaps, or splash aprons that minimize rear spray on vehicles purchased after January 1, 1956, unless the body itself does so. There is no numeric protrusion limit.

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Sunscreening must be clear and transparent below the AS-1 line and may not be red, yellow, or amber above it. Nebraska defines the AS-1 line as the AS-1 mark or a line 5 inches below the top, whichever is closer to the top. Because the material must be transparent, a printed or opaque banner is not legal in Nebraska — only a clear tint band.

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Front side windows: minimum 35% VLT. Rear side and back windows: minimum 20% VLT. Darker limits apply behind the driver on some larger vehicles.

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