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The BLOX T304 catback exhaust is configured for 2016–2021 Honda Civic Si sedan applications and uses 2.5-inch T304 tubing. It provides a direct-fit replacement catback for those model years, matching the sedan exhaust layout and offering a finished system with the listed pipe diameter and T304 construction. This model-specific catback suits owners seeking a bolt-on exhaust solution for Civic Si sedans from 2016 to 2021.
BLOX Racing 16-21 Honda Civic Si Sedan 2.5in T304 - Catback Exhaust
