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They will fit and I've seen them on Panthers but not sure about rubbing issues. If it does just have to roll the fenders and quarters. I picked up a roller for my miata from Amazon and it worked great. https://www.amazon.com/dp/B00H8XU03O/ref=cm_sw_r_cp_apap_JbNBFVdWSH4jI
If he installed the coil overs himself, then he can roll the fenders himself:
Fender roller on Amazon
With prime, but instead of grabbing it decided I'm just gonna go up to a shop I have around the corner who has some experience, but I've been short on time lately