What can I modify without approval?
Many minor vehicle modifications can be carried out without specific approval. However, they are still subject to compliance with the Road Traffic (Vehicle Standards) Regulations 2002, Road Traffic (Vehicle Standards) Rules 2002 and the Australian Design Rules (for date of manufacture and vehicle category).
Please note: This isn't an exhaustive list of modifications that don't require approval. Please contact us to check the status of your particular modification.
Visit our When Is Approval Required? section for details on other common modifications which do require approval.
Modifications you can make without approval include:
- Tyre size and aspect ratio
- Additional lighting
- Single tone air horns
- Air conditioners
- Air shock absorbers
- Alarm systems
- Badge bars
- Gearbox (pre 1976)
- Mud spats and pebble guards
- mesh stone shields for wind screens and lamps
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- Body markings and speed striping
- Rear-view mirrors
- Roof racks
- Radio and stereo systems
- Sunvisors
- Optional manufacturer seating
- seat belts for pre 1969 cars (no full harness types)
- Stabilise bars
- Torque rods and traction bars (not semi-tramp types)
- Venetian blinds and other internal screening systems are allowed subject to a clear view to the rear
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Remember, generally, no modification may be carried out if it :
- reduces the strength of the vehicle body
- reduces the controllability of the vehicle
- reduces the safety of the vehicle
