A hardtop is one of the most loved Miata additions because it does four good things at once: it stiffens the chassis, quiets the cabin, improves security and weatherproofing, and looks fantastic. For track cars it's also a stiffness and safety win.
Because the Miata is a convertible, a fixed roof adds real structure on top of the comfort and looks. That's why owners chase them despite the price and storage hassle
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