So Greg answered a bit but let me simplify for you. There are only a few ITR cars that fit the allowance rule for running in STL in IT-spec. Has to be below 2L. Since the rotards are considered 2.6, they aren't eligible for that specific allowance. However, they did make a specific allowance for the RX-8 (or any Renisis-equipped Mazda product) at 3000lbs. Why, I have no idea, but that is 'better' than not being able to run in STL at all if that is where you want to double dip. Most IT cars go to STU and some even to STO.
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