Indiana has no suspension lift laws or frame height restrictions. Bumpers, however, must be no higher than 30 inches. Then, as long as legal bumper height is maintained, suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards are allowed.
 Code |
The Indiana Code (IC) explains the street legal laws for the state. |
IC Title 9 | ||||||||||||||||||||||||||||
 Dimensions |
The maximum vehicle size in Indiana is 102 inches wide, 13 feet 6 inches tall, and 40 feet long for a single vehicle. |
IC 9-20-3-2 IC 9-20-3-3 IC 9-20-3-4 |
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 Tires |
Tires must be in safe operating condition, without any bulges or exposed cords. Indiana has no listed minimum tire tread depth. It is unclear if tire grooving is permitted. |
IC 9-19-18 | ||||||||||||||||||||||||||||
 Wheels |
Indiana’s code makes no reference to wheels. |
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 Brakes |
All vehicles in Indiana must have brakes on all 4 wheels capable of stopping the vehicle from a speed of 20 mph within 30 feet. A secondary, mechanical, parking brake is also required. |
IC 9-19-3-7 IC 9-19-3-1 |
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 Steering |
Indiana does not have any rules for a vehicle’s steering system. |
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 Suspension |
There are no suspension laws in Indiana. |
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 Frame |
Indiana does not have a vehicle frame height restriction. |
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 Bumpers |
All trucks and SUVs with a GVWR under 11,000 lbs. are required to have front and rear bumpers in Indiana. The maximum bumper height is 30 inches. ( Measured to the bottom of the bumper. ) |
IC 9-19-4-2 | ||||||||||||||||||||||||||||
 Fenders |
Fenders and mud flaps are not listed in Indiana’s laws. |
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 Lights |
In addition to headlights and tail lights, vehicles in Indiana are allowed to have auxiliary lighting.
( Measured to the center of the light. ) |
IC 9-19-6-3 IC 9-19-6-4 IC 9-19-6-13 IC 9-19-6-14 IC 9-19-6-15 IC 9-19-6-16 |
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 Windows |
Indiana’s code requires both windshields and windshield wipers. |
IC 9-19-19-2 IC 9-19-19-6 |
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 Exhaust |
In Indiana, vehicles are required to be equipped with mufflers and it is prohibited to install any kind of exhaust cutout or bypass. |
IC 9-19-8-2 IC 9-19-8-4 |
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 Engine |
It is unclear whether or not Indiana has any engine swap or engine performance modification rules. |
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 Emissions |
Several counties in Indiana require emissions testing. |