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I had very minor rubbing on the right side only, at full lock, in reverse. Tire tread made contact with the little fins in the inner fender liner. I used a dremel to shave them back about 1/8", and now no rubbing whatsoever.
Just placed an order for the Signature Wheel SV104 brushed, same wheel that set the quarter mile record in the P100 Raven. Currently riding on 21 inch staggered Arachnids which I love, but saving ten pounds a wheel plus tire weight should be a big boost in performance/efficiency.
Looking forward to better weather to get the Model S out of the garage!