specification:<br />100%  <br />type: universal muffler removable silencer<br />material: metal<br />fit 4&amp;quot;round tip mufflers<br />length: 5.51&amp;quot;(14cm)<br />fitment: for off road/racing use only・suitabke for installation on the exhaust pipe tail・if you don't know your exhaust pipe dia・please measure it.<br /><br />features:<br />easy installation<br />reduce deep note sound<br />adjustable &amp;amp; removable<br /><br />package list:<br />1 x silencer