The official term is a Buick turbocharger cover, but people call them turbo covers or turbo shields.
Whatever the case may be, when you upgrade to a custom designed aftermarket turbocharger shield for your Buick Regal, that IS an upgrade that people will notice! (especially if it is “shiny” & all chrome looking!)
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Here’s some other items if you’re shopping for Buick merch:
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