Increased sound and performance. Most people use either a Stanley FO-4 or FO-14. One is louder than the other. You will need to adapt the muffler to fit the factory header pipe.

Is the end of your factory muffler rotted out? Or maybe you just installed a new tractor muffler and want to dress it up a bit? Pick up a cheap muffler tip off eBay for any model ATV and attach it to the end of your muffler with some self tapping screws.