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The correct size for tires for the 2003 base model Chevy Trailblazer with 17-inch rims is P245/65R17 105S. The correct size for the base Trailblazer with the 16-inch rims is P245/70R16 106S, and the correct size for the 2003 Trailblazer EXT with 17-inch rims is P245/65R17 105S.

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10y ago

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