One of the most critical things you can do for a car is to sound proof it. Whether you have a Mercedes Benz, or a Hyundai Excel, all cars can benefit from extra sound proofing. The first thing to understand about sound proofing is that it can never be accomplished in a car. The important thing is that you can reduce the amount of external noise, and vibrations. Sound proofing will make any car feel like a million dollars. A quieter ride, less distraction, and an overall more comfortable environment are what you can expect when you start sound proofing your car. For car audio enthusiasts, this topic is critical. Nothing will lose points faster, or spoil your sound more than a resonating panel, or vibrating frame member.