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This Remark cat‑back exhaust for the 2017 Honda Civic Si 4‑door sedan replaces the factory system and terminates in a double‑wall stainless tip. The system is a direct replacement cat‑back configuration; specific details on materials or sound level are not provided in the source fields, so the overview focuses on fit and basic function for this application.
Remark 2017 Civic Si 4 Door Sedan Cat Back Exhaust w/Stainless Double Wall Tip (Not Resonated)
