Street Touring Rules - Tires
What tires can I run?
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Requirements
- Tires must be designed for highway use on passenger cars.
Treadwear
- Minimum UTQG Treadwear Grade of 140.
- (Effective 1/1/2015 - Minimum UTQG Treadwear Grade of 200.)
Maxmimum Width
- STF, STC, STS, STR (AWD) – 225 mm
- STX (AWD), STU (AWD) – 245 mm
- STR (2WD) – 255 mm
- STX (2WD) – 265 mm
- STU (2WD) – 285 mm
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