Aluminum front middle shaft owner inserted to the framework for better centering. The smart design enables easier use of the front belt and pulley for fast & easy front side belt changes and maintenance. The muffler mounting system is incorporated to the front middle shaft holder. This design really helps to make certain that the muffler is installed independently from radio plate and framework generally there is not any flex transfer. The extra-long muffler wire fits all standard mufflers. Black color.