IS MY MOD LEGAL?

Lowering in Michigan

Conditional

Michigan applies a suspension rim-line rule: no part of the suspension may extend below the lowest point of a wheel rim, and the body or chassis may never contact the ground.

Verified against primary sources · August 2026

What the law says

710c reads as a bumper-height section, which is why its lowering provisions were missed. Alongside the bumper caps it bars modifying a vehicle so as to "cause the vehicle body or chassis to come in contact with the ground, expose the fuel tank to damage from collision, or cause the wheels to come in contact with the body", and bars disconnecting or modifying the original suspension to defeat its safe operation.

Specific Limits

Fuel tank
may not expose the fuel tank to damage from collision
Suspension
original suspension may not be disconnected or modified to defeat safe operation
Ground contact
body or chassis may not contact the ground
Wheel clearance
wheels may not contact the body
Suspension rim line
no part of the suspension may extend below the lowest portion of a wheel rim

Exceptions & Exemptions

Keep the suspension above the wheel-rim line, the body and chassis clear of the ground, and the original suspension connected.

Statute

MCL 257.710c

Read the statute →

Frequently Asked Questions

Are lowering legal in Michigan?
Michigan applies a suspension rim-line rule: no part of the suspension may extend below the lowest point of a wheel rim, and the body or chassis may never contact the ground.
What are the exact lowering limits in Michigan?
Fuel tank: may not expose the fuel tank to damage from collision. Suspension: original suspension may not be disconnected or modified to defeat safe operation. Ground contact: body or chassis may not contact the ground. Wheel clearance: wheels may not contact the body. Suspension rim line: no part of the suspension may extend below the lowest portion of a wheel rim. Source: MCL 257.710c.
Are there exceptions for lowering in Michigan?
Keep the suspension above the wheel-rim line, the body and chassis clear of the ground, and the original suspension connected.

Street-legal lowering picks

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