No I remember that being bad when I bought the car.
If it had been from the roads there would be other similar areas on the car such as the ARBs etc. Hubs are covered but I'd expect that on them but they are cleaning up ok so I'm not concerned about them.

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605whp
Quarter Mile in 10.9 seconds @ 135mph /217kph
0-100 kph 3.2 seconds