Good used shape…… This muffler exhaust pipe is a genuine OEM Yamaha part designed for the Grizzly 550 and 700 4x4 EPS models from 2007 to 2011. It has the manufacturer part number 3B4-W1471-10-00 and is made for optimal performance and fitment on your ATV or UTV. The brand name Yamaha is synonymous with quality and reliability, making this exhaust pipe a great choice for those who want to maintain the original look and sound of their vehicle while also improving its performance.