Are these modded TRD N2 flares?

[Bean]

neither, TRD and Custom Speed have a pointed corner in the upper rear (genuine TRD also in the front).
Can't tell which kit is pictured above but this car got the same one, so it's safe to say they are not entirely custom.
http://ra64freddy.com/2012/06/14/n2-deep/ maybe you can try contacting the blog owner he might know the owner of the car.

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PS: not the same style but good lucking still are the custom fenders on the Driftworks AE86, maybe they will sell you a kit. I know they made proper moulds of the finished version to make spares when needed.