Use this exhaust system when you want to enhance your driving experience, whether it's for daily commuting or weekend road trips. It's perfect for car enthusiasts who want to add more power and a great sound to their 2011 - 2014 Hyundai Sonata or 2011 - 2015 Kia Optima. The exhaust features 3 - inch cat back design with dual 60mm mufflers, and is made from mandrel - bent stainless steel tubing.