Low dust is the reason most people buy them. You could replace steel brakes 10 times for what it costs to replace ceramics once so I don’t think durability makes ceramics worthwhile. Plus, they are actually more fragile and susceptible to damage, though I doubt many damage them.
They should stop slightly shorter, though thus may not show up in normal driving. Magazine tests that I have read are inconclusive for the common 70-0 mph test. One Car and Driver test actually showed 5 feet longer. Extend the mph to 150 mph and it is more likely there will be gains, or run the car on a race track for a while.
The reason I would consider buying them is the weight savings. Since the weight is unsprung, saving it helps handling and acceleration. Probably not enough for most people to notice, but a bunch of little things together can make a noticeable difference. Whether it’s worth $8k is another question.
For $8k, I could buy lighter and wider aftermarket wheels, an engine tune, a transmission tune, lowering springs, secondary downpipes, Dinan turbo inlets, Dinan monoballs, and the Dinan rear toe kit.
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