Lowering in New Hampshire
New Hampshire sets a real floor: if the suspension has been altered, the bottom edge of the horizontal bumper bar must sit at least 16 inches above level ground, and no more than 20 inches on a passenger car (30 on an MPV or light truck).
Verified against primary sources · August 2026
What the law says
New Hampshire's inspection rule rejects a vehicle with altered suspension whose bumper bar sits below 16 inches.
Specific Limits
- Max bumper height
- 20 in passenger, 30 in MPV/light truck
- Min bumper height when altered
- 16 in
Frequently Asked Questions
Are lowering legal in New Hampshire?
What are the exact lowering limits in New Hampshire?
Street-legal lowering picks
Gear that helps you mod without a ticket in New Hampshire.
A conservative drop that keeps required ground clearance.
Shop on AmazonDial your height back up if an inspection says you're too low.
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