Choose my wheel + tire setup...because I cannot.

Averying

I propose option #5: find 2 more rear stock rays for a square set and run 275 square RS4s. Shouldn’t be too hard to find someone selling stock rays and this would be cheaper than buying another square set of track wheels.

Otherwise I’d say option #4. Changing to 275 square RS4 will be a more noticeable increase in grip, compared to upping the width on the forgestars. Usually compound > width. And For reference, I run 285/35 PS4S on 9.5in wide front wheels and honestly they fit perfect. They could be wider and still fit, but the RS4s might be a different story. You’d probably want a 15mm front spacer if you go with this option since the stock front rays have a conservative offset

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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes