Need suggestions for tires DE car

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Goals:
Fast and fun DE, no trophies or championships involved, good balance, and tires that work with M030 and mild camber. Not running Red group.

If it were my car I would save the pretty 18s for street and run 17s. 235/40/17F, 255/40/17R. These are the Boxster Spec Race Car sizes and work well with 201 hp. Too much tire can choke these cars until you strip them and run R-comps or add a 3.4L motor. RS-3, Rival, RE-11, RE71R, AD-08, Star Spec are all 200 tw and perform very well in continuous lapping. With 18s and careful attention to fitment you could run 245/275 but it might double your tire costs and probably not be much faster if any.

Get a performance alignment and max out your negative camber to make full use of your tires.

Good luck!