I'm not sure I understand what sucks about the rear torsion bars. They're just as effective as coil springs, they have a much lower unsprung mass, and they're much closer to the ground.

Hmmm...
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The part that sucks is that they are more difficult to change and the spring rates are limited by the bar diameter or by whats on the market vs. a $50 coil spring( which should be allowed in IT, but that is a different story.) Hey I am all for the 944S, it will be a great car when in the hands of you guys that know what you are doing with them, good luck.