Injen 3-inch cat-back stainless steel exhaust system for 2017–2020 Honda Civic Si 1.5L Turbo sedan models, designed to improve sound and power with mandrel-bent tubing and TIG-welded construction. The system includes tubing, mid-pipe with resonator, dual 4-inch titanium-look tips and hardware for a direct-fit installation, and is engineered for a more aggressive exhaust note and refined fitment.
Injen 17-20 Honda Civic Si 1.5L Turbo (Sedan Only) 3in Cat-Back Stainless Steel Exhaust