1. Vehicle Configuration:Compatible with Honda Civic 2012-2013 1.8L,Acura ILX 2013-2014 2.0L,Reference Number:16678,641554,83494,674750,18160-R1A-A00. 2.Efficiency and quality:The use of high-quality stainless steel manufacturing,heat,rust,corrosion resistance,no need to worry about bending,melting,to maintain the long-term stability of the catalytic converter,reduce fuel consumption,improve life. 3.Easy installation:accurate size,simple and convenient installation process,no professional skills and complex tools,can be integrated with your car,effectively reduce the harmful substances of automobile exhaust purification exhaust,green travel. 4.EPA compliant:For use in OBDIl vehicles,not legally sold or used in California,Colorado and New York and Maine.Legal only on EPA federal emissions-equipped vehicles. 5.Service:If you have any questions,please feel free to contact us. Efficiency and quality:The use of high-quality stainless steel manufacturing,heat,rust,corrosion resistance,no need to worry about bending,melting,to maintain the long-term stability of the catalytic converter,reduce fuel consumption,improve life.