I've had them on my 2006 VW Jetta TDI for about 3 weeks and so far so good. They come with illustrated instructions and the rotors are labeled to ensure correct placement as the slots need to rotate in a specific direction to function properly. The stopping power is controlled and firm. The brakes bite very well and you will stop in a hurry. The only difference I noticed compared to the standard semi-metal setup is that the feet are much smoother with it. For optimal performance, follow the break-in instructions after installation to quickly reap the full benefits. They also look very nice on the car behind the wheel. I definitely recommend this set. I will post updates over time.
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