Warning: This product contains chemicals known to the State. Upgrading vehicle's exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound. Features: Made of high quality T-304 stainless steel. TIG welded CNC machine flange for resistance against pressure and corrosion. Aggressive deep and smooth tone sound while ensures smooth exhaust gas flow., Increase engine output and efficiency. Dyno proven to instantly increases 15 to 25 horsepower or low end torque Package Includes: 1 X Cat Back Exhaust System Compatible with: 12-15 Honda Civic Sedan 4-Door 2.4L