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Aware of the 981 GT4 Failure, not aware of ANY 991's experiencing this failure
I've seen pictures of it on 991s. Same part on 981, 991, 982 in every model except for RSR and maybe .2 GT3R. Seems to happen most frequently to 981 GT4, but that's just going off of anecdotal Rennlist accounts.
A brace isn't really going to minimize the possibility of the cast aluminum cracking. This has been discussed at length somewhere - 981 GT4 forum I think.
Last edited by FrenchToast; 04-28-2022 at 03:22 PM.
I think the fixed braces like on the cup car and the cheaper one posted above would perform better than the ones that pivot. I had the strut reinforcement plates on my gt4 and they definitely added piece of mind-they should fit the 991 also but I don't think most will need them with the exception of the OP and a few others that track extensively. OP you can probably have a fab shop build a triangulated brace that is sturdier than most you can buy.