differences

[villen25]

what is the difference between a muffler and a resonator?

 

[59bhp]

in an exhaust system a OE muffler usually has a resonator in it, its used to quieten down exhaust noise.

here ya go this will explain it better than i ever could, plus its got prety animations:

http://auto.howstuffworks.com/muffler4.htm