SUS304 stainless steel blue-purple gradient dual muffler cutter. Thank you for viewing. Installation part inner diameter 60mm, dual outlet 62.5mm x 2 Bolt and nut tightening at 3 points When installed, it will rise diagonally upwards. If the genuine muffler shape is within 60mm, it can be installed with adjustment using bolts and nuts. The appearance from the rear will change.