Things not to do to your Z

Threadlocker

Don’t be cool. Cool is conservative fear dressed in black. Free yourself from limits of this sort.

Using words like "tasteful" to describe your mods sound like you're afraid of negative opinions. There's nothing "sleeper" about a Z, we all bought the car to enjoy it - some like the looks, some like the function, some like both, and there's plenty of people who would argue about the waste and excess in spending money on making the car faster, when it's perfectly capable of breaking the law already.

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Not the alpha male, go ask someone else.