A qualified bodyshop won't have any issue repairing/matching that. That's big enough where a touch-up is going to look pretty bad. A repainted bumper isn't really a big deal and pretty common these days. Bodyshops typically don't report to Carfax (confirm this with them!), but insurance...
PDR day in my garage!
Les @ Dents R Us at @Tranzor Z 's recommendation.
We just got back from a 2-week long vacation to northern Minnesota, over 3,000 total miles, taking some damage to the Grand Cherokee's roof just south of Des Moines, IA. While he was out to fix those two dents, I had him...
Nobody is saying warpage is definitely what happened, just one possibility, along with bolt tightness, the plane of the mating surface, or the gasket. Bolts and/or gasket are the most likely two and exactly where I'd start with the diagnosis.
Is this a good thing or bad? How about the new V2? I haven't paid attention to Bridgestone since my S2000 days 2+ decades ago (and have not been impressed with our stock ones...).
DI coking is an incredibly overblown worry across every car forum out there. These aren't 1990s BMW/VWs.
Catch-cans are a solution looking for a problem, and in fact create more issues than they solve by adding restriction to the crankcase ventilation system and slowing down vapor velocity...
I'd design something similar to AWE's then, or Fast Intentions, but using either 2.5" or 2.75" piping. 3.0" is absolutely overkill on the VR30 unless you're shooting for massive numbers on big turbos. Retaining the stock upper downpipes, I'd have your buddy extend the catback to also replace...
Three choices come to mind based on what you're looking for...
AWE Track: https://www.awe-tuning.com/products/awe-exhaust-for-the-nissan-z?gad_source=1&gad_campaignid=21514336443&gclid=CjwKCAjwpK3SBhASEiwAtV1SPKuKm098JGoMioZOC1nXIttEFJyEIvrhKmTfEiORd4CR8ieQAGQkkBoCyCcQAvD_BwE
Magnaflow xMOD...