Lowering in Wisconsin
Conditional
Wisconsin's floor is the rim-line test: after suspension, axle, chassis, or exhaust modifications, no part of the vehicle except the tires may extend below lines drawn from the bottom of each wheel rim to the opposite tires' points of road contact.
Verified against primary sources · September 2026
What the law says
455(4) instead bars any part of the vehicle from sitting below the bottom of the rims.
Specific Limits
- Rule
- no part below the bottom of the wheel rims
Frequently Asked Questions
Are lowering legal in Wisconsin?
Wisconsin's floor is the rim-line test: after suspension, axle, chassis, or exhaust modifications, no part of the vehicle except the tires may extend below lines drawn from the bottom of each wheel rim to the opposite tires' points of road contact.
What are the exact lowering limits in Wisconsin?
Rule: no part below the bottom of the wheel rims. Source: Wis. Stat. § 347.455(4).
Street-legal lowering picks
Gear that helps you mod without a ticket in Wisconsin.
Lowering springs
A conservative drop that keeps required ground clearance.
Shop on AmazonAdjustable coilovers
Dial your height back up if an inspection says you're too low.
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