Without the VIN rule, I could take my Shelby and say it's a plain Charger and run it at 2320lb instead of 2430. The only way to tell the difference would be to measure the compression ratio of the engine (9.0 stock vs 9.6 Shelby, 9.5 stock vs 10.1 for Shelby with the IT trim allowance) or look at the brakes, if you know what to look for.

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I had that same thought, and I'm not singling YOU out, this is jsut a statement for the nay-sayers, what's preventing that now? You question it, you protest it. The VIN rule doesn't prevent that extra .6 compression.