The street legal laws of Texas contain no suspension lift limits, frame height limits, or bumper height restrictions. Residents of Texas are free to install suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards on their vehicles.
 Code |
The Texas Statutes Transportation Code (TSTC) details the street legal laws for the state. |
TSTC Title 7 | ||||||||||||||||||||||||||||
 Dimensions |
Overall vehicle size in Texas is limited to 102 inches wide, 13 feet 6 inches tall, and 45 feet long for a single vehicle. |
TSTC 7-621-201 TSTC 7-621-203 TSTC 7-621-207 |
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 Tires |
Texas requires that tires be in safe operating condition, without any bulges or exposed cords. There is no listed minimum tire tread depth and no mention of tire grooving in the laws. |
TSTC 7-547-612 | ||||||||||||||||||||||||||||
 Wheels |
The Texas statutes do not reference any wheel related laws. |
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 Brakes |
In Texas, vehicles are required to have brakes that operate on all 4 wheels. All vehicles must be able to stop from 20 mph within 30 feet. A secondary, mechanical, parking brake is required. |
TSTC 7-547-402 TSTC 7-547-408 |
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 Steering |
Texas does not have any specific rules for a vehicle’s steering system. |
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 Suspension |
There are no suspension lift limits in Texas. |
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 Frame |
Frame height is not referenced in the Texas statutes. |
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 Bumpers |
Bumpers are not covered in the Texas statutes. |
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 Fenders |
Texas only requires mud flaps and fenders on commercial vehicles. |
TSTC 7-547-606 | ||||||||||||||||||||||||||||
 Lights |
In addition to headlights and tail lights, vehicles in Texas are allowed to have several additional lights installed.
( Measured to the center of the light. ) |
TSTC 7-547-321 TSTC 7-547-322 TSTC 7-547-327 TSTC 7-547-328 TSTC 7-547-329 TSTC 7-547-330 |
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 Windows |
The Texas statutes do not specifically state whether or not windshields are required, although, vehicles with windshields are required to have windshield wipers. |
TSTC 7-547-603 | ||||||||||||||||||||||||||||
 Exhaust |
In Texas, vehicles are required to have mufflers. Exhaust cutouts and bypasses are prohibited. |
TSTC 7-547-604 | ||||||||||||||||||||||||||||
 Engine |
It is unclear whether or not Texas has any engine swap or engine performance modification rules. |
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 Emissions |
17 counties in Texas currently require emissions testing. |