I've got a B8S4 currently at 41k miles. I am going to be replacing pads and rotors and was considering buying either the ECS OEM replacement kit (http://www.ecstuning.com/Audi-B8_S4-...Kit/ES2597361/) or the slotted/drilled ECS "performance kit" (http://www.ecstuning.com/Audi-B8_S4-...Kit/ES2597361/). Does anyone have experience with the quality of the ECS GeoMet drilled and slotted rotors? I don't track my car, it's my daily driver. I figured for the extra 20 bucks or so, I could get the performance kit which I think looks nicer.
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