The engineers of the Buick Reatta were working with MS DOS and trying to keep your coupe as quiet as possible. Well, if we guess right, your current Reatta catalytic converter is probably so old it's just not that quiet anymore. It's time to replace your Reatta cat converter for one from AutoAnything.
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You'll be getting one of our Buick Reatta catalytic converters that, no, aren't designed to be as quiet as possible. That's because our Buick Reatta catalytic converters are designed to take advantage of all that air flow and give you some boost. Buick Reatta catalytic converters will also do their required duties, of course.