I wouldnt mind using genuine pads but at $90 i have to think twice ...
I might as well invest that money in Performance pads like Bendix ..
If the Price was $40-50 i would slap genuine pads on anyday but i refuse to hand that much money to Toyota knowing it probably cost half of that to get the pad made and put on the shelf.
What people are saying here is that the rears don't do much stopping on the rear so why bother with performance pads when they don't generate much heat. Even when tracking most people are still running street pads on the rear.