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Tuner 

1. Is it a mass production model?  

2. Tires within spec?

• 100 Treadwear stamp or higher

• DOT Stamp

• 225 max width

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Street 

1. Is it a mass production model? 

2. Tires within spec?

• 100 Treadwear stamp or higher

• DOT Stamp

• FWD, RWD  - 285 or narrower

• AWD - 255 or narrower 

• Trucks & 80's or earlier muscle cars - 315 or narrower

3. Does it have any of the interior removed?

• No parts may be missing.(Small trim pieces missing from wear & tear excluded)

• Bolt in aftermarket replacement and safety parts allowed. 

 

Extreme

1. Is (or was) the vehicle a street legal model? 

2. Tires within spec?

• 100 Treadwear stamp or higher stamp

• DOT Stamp  

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Unlimited (U)​

​1. Any vehicle. No limits

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