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The GReddy Supreme SP exhaust for 2017+ Honda Civic Si Sedan is an aftermarket cat-back option designed to replace the factory exhaust on Civic Si sedans from 2017 onward. Built to produce the brand's characteristic sound and styling, the Supreme SP system offers a finished appearance and bolt-on installation for owners looking to change tone and exhaust flow characteristics while retaining factory fitment points.
GReddy 2017+ Honda Civic SI Sedan Supreme SP Exhaust
