Introduction
I take this chance to present to you this new improvement that I have introduced in my company. A normalized steel muffler. The muffler is one of the important parts in the car's exhaust systems. It is located on the rare part of the system. In present days, many materials are used to manufacture it. They include steel, iron and fiber carbon. Depending on the aim of the designer, the choice of these materials offers different levels of performance. Jeep Grand Cherokee is a family car that accommodates five passengers. It came into the market in 1992. Exactly five ...