all i can say is this is what 520hp 560 tq did to my car it has been rebuilt stronger the rust is from driving to the shop in the rain and it sitting for 2 weeks before being repaired it is not a rustbucket View attachment 1715959770
That doesn't even really look that rusty, maybe some surface rust like everything has. Looks more like just a fatigue crack from repeated loading/unloading of the springs.