IS MY MOD LEGAL?

Lowering in Colorado

Conditional

Colorado bars altering the front or rear suspension away from the manufacturer's original design except as the department specifies — there is no numeric allowance.

Verified against primary sources · August 2026

What the law says

C.R.S. § 42-4-233 prohibits any alteration of front or rear suspension from the manufacturer's original design except in accordance with department specifications. A violation is a class 2 traffic misdemeanor. This is stricter than most states — Colorado does not publish an inch-based tolerance.

Specific Limits

Rule
no suspension alteration from the manufacturer's original design except per department specifications

Statute

C.R.S. § 42-4-233

Read the statute →

Frequently Asked Questions

Are lowering legal in Colorado?
Colorado bars altering the front or rear suspension away from the manufacturer's original design except as the department specifies — there is no numeric allowance.
What are the exact lowering limits in Colorado?
Rule: no suspension alteration from the manufacturer's original design except per department specifications. Source: C.R.S. § 42-4-233.

Street-legal lowering picks

Gear that helps you mod without a ticket in Colorado.

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