Indiana Street Legal Laws

Kansas Street Legal Laws

Iowa Lift Laws and Vehicle Equipment Laws

Iowa does not currently have a suspension lift limit, frame height limit, or bumper height restrictions. Residents are free to install suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards.

Breaking News: There is a law pending that would limit frame height to 23 inches and limit body lifts to 5 inches.

Governing Laws


In Iowa, the street legal laws are covered by the Iowa Code (IC).

IC Title 8 SC 2

Vehicle Dimensions


Overall vehicle size in Iowa is limited to 102 inches wide, 13 feet 6 inches tall, and 41 feet long for a single vehicle.

IC 8-2-321-454
IC 8-2-321-456
IC 8-2-321-457

Tire Restrictions


Iowa requires that tires be in safe operating condition, without any bulges or exposed cords. There is a minimum tread depth of 1/16 inch. Tire grooving is allowed as long as they are not grooved deeper than the original tread.

IC 8-2-321-440

Wheel Restrictions


Iowa's code makes no reference to wheels.

Braking Requirements


It is required that all vehicles in Iowa be equipped with brakes on all 4 wheels. Vehicles under 5,000 lbs. GVWR must be able to stop from 20 mph within 30 feet, and vehicles over 5,000 lbs. GVWR must be able to stop within 45 feet. A secondary, mechanical, parking brake is also required.

IC 8-2-321-430
IC 8-2-321-431

Steering Laws


Iowa does not have any specific rules for a vehicle's steering system.

Suspension Laws


There are no suspension lift limits in Iowa.

Frame Requirements


Currently, there is no frame height restriction in Iowa.

As of 2010, there is a law pending that would limit frame height to 23 inches and body lift height to 5 inches above the frame.

IC 8-2-321-468

Bumper Restrictions


Bumper height is not limited in Iowa.

Fender Requirements


It is unknown if Iowa requires vehicles to have fenders or mud flaps.

Lighting Requirements


In addition to headlights and tail lights, vehicles in Iowa are allowed to have up to 3 auxiliary lights. The maximum number of lights that can be turned on at the front of the vehicle at any one time is 4.



Min. Height

Max. Height


2 min.



Tail lights

1 min.



Spot lights

1 max.



Aux. driving lights

3 max.

12 inches

42 inches

( Measured to the center of the light. )

IC 8-2-321-385
IC 8-2-321-387
IC 8-2-321-402
IC 8-2-321-403
IC 8-2-321-420

Window Laws


Iowa requires both windshields and windshield wipers.

IC 8-2-321-438
IC 8-2-321-439

Exhaust Requirements


Mufflers are required in Iowa. Exhaust cutouts and bypasses are prohibited.

IC 8-2-321-436

Engine Swap Rules


It is unclear whether or not Iowa has any engine swap or engine performance modification rules.

Emissions Testing


Iowa does not currently require emissions testing.

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