Injen 3" Cat-Back Exhaust Honda Civic Si Sedan 2017-2020 | SES1581TT Vehicle Model_Q60 Performance Street

Performance Street

HKS began with the concept of an exhaust system that prioritizes three key aspects: performance

Subaru STi 2015-2017

Helps identify obstacles and hazards sooner

With a 52% larger core volume than stock

Injen 3" Cat-Back Exhaust Honda Civic Si Sedan 2017-2020 | SES1581TT Vehicle Model_Q60 Performance StreetProduct Fitment: 2017 2020 Honda Civic Si Sedan The Injen SES1581TT cat back exhaust system delivers enhanced performance and aggressive sound for your 2017 2020 Honda Civic Si sedan. Engineered specifically for the 1. 5L turbo engine, this 3 inch stainless steel exhaust maximizes flow while maintaining excellent build quality and fitment. Key Features & Benefits 3 Inch Mandrel Bent Tubing Optimizes exhaust flow for improved horsepower and torque