Yoshimura USA RS-2 mufflers are remarkable thanks to the versatile manner in which they can be used. Their specific design, taking its inspiration from a diamond, can customise your quad & play a role in optimising the performance of your machine. * Pyramid-shape muffler: made form aluminium with steel end cap * Greater muffler volume for enhanced exhaust gas flow * Developed to obtain a more linear exhaust gas flow Article: YOSHIMURA A RS2 STAINLESS MUFFLER/STEEL END CAP FOR YAMAHA YFM 700-R