Use this exhaust system when you want to upgrade your 2013 - 2017 Honda Accord L4 2.4L sedan. It's perfect for car enthusiasts who want more power and a better - sounding ride. The exhaust starts with an OE - style flange and uses 2.5 - inch mandrel - bent 304 stainless steel tubing. It has dual high - flow polished 304 stainless steel mufflers and double - wall, angle - cut 304 stainless steel tips. It's a direct - bolt - on system, so it's easy to install.