IS MY MOD LEGAL?

Wheel & Tire Protrusion in Colorado

Legal

Colorado's splash-guard statute expressly exempts registered passenger vehicles and trucks up to 10,000 lb empty weight, so there is no fender-coverage or protrusion rule for ordinary cars and light trucks.

Verified against primary sources · August 2026

What the law says

Where the splash-guard rule does apply, guards must be full tread width, hang perpendicular, and sit no more than 10 inches above the road when empty.

Specific Limits

Protrusion limit
none

Statute

C.R.S. § 42-4-1407.5

Read the statute →

Frequently Asked Questions

Are wheel & tire protrusion legal in Colorado?
Colorado's splash-guard statute expressly exempts registered passenger vehicles and trucks up to 10,000 lb empty weight, so there is no fender-coverage or protrusion rule for ordinary cars and light trucks.
What are the exact wheel & tire protrusion limits in Colorado?
Protrusion limit: none. Source: C.R.S. § 42-4-1407.5.

Street-legal wheel & tire protrusion picks

Gear that helps you mod without a ticket in Colorado.

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