You can probably go to any dedicated car forum and find people complaining about the maker of that car. I don't think issues like this are limited to one auto maker.
I've owned 3 cars in my life from 3 different companies. The first 2 had their share of small problems and I've yet to have anything come up with the Z. However I don't think anything could happen that would put me off from buying from a certain maker again.
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F.I. / K&N / 180 / Forgestar 
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