What is a muffler? Car mufflers are used to reduce the engine noise that's created from exhaust. Mufflers can reduce noise across a wide frequency range. There are many types of mufflers, including chambered, turbo, and straight through. Exhaust Basics: http://youtu.be/e72Xkf_5VXo Please feel free to rate, comment, and subscribe! And don't forget to check out my Facebook page: http://www.facebook.com/engineeringexplained Also check out my official website: Make suggestions, participate in forums, enter for Car of the Month, learn through logically ordered lessons, read FAQs, and plan your future! http://www.howdoesacarwork.com Now on Twitter: http://www.twitter.com/jasonfenske13 NEW VIDEO EVERY WEDNESDAY!