IS MY MOD LEGAL?

Wheel & Tire Protrusion in New Jersey

Illegal

New Jersey is explicit: tire tread may not protrude beyond the fenders, and fenders must cover the width of the tire tread. Fender flaps or flares may be added to provide the needed coverage.

Verified against primary sources · August 2026

What the law says

This is one of the few states with a direct rule on the point. Flaps on buses, trucks, and trailers over 3 tons are separately governed by N.J.S.A. 39:3-79.1.

Specific Limits

Fender flares
permitted to provide the required coverage
Protrusion limit
tire tread may not protrude beyond the fenders

Exceptions & Exemptions

Wheels and tires must not extend beyond the fender wells unless proper fender flares or extensions are installed to cover the protrusion

Statute

N.J.A.C. 13:20-32.19, 13:20-32.33(b)

Read the statute →

Frequently Asked Questions

Are wheel & tire protrusion legal in New Jersey?
New Jersey is explicit: tire tread may not protrude beyond the fenders, and fenders must cover the width of the tire tread. Fender flaps or flares may be added to provide the needed coverage.
What are the exact wheel & tire protrusion limits in New Jersey?
Fender flares: permitted to provide the required coverage. Protrusion limit: tire tread may not protrude beyond the fenders. Source: N.J.A.C. 13:20-32.19, 13:20-32.33(b).
Are there exceptions for wheel & tire protrusion in New Jersey?
Wheels and tires must not extend beyond the fender wells unless proper fender flares or extensions are installed to cover the protrusion

Street-legal wheel & tire protrusion picks

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