Yoshimura RS-12 Slip On Muffler | 225852S320 390 Duke we couldn't wait for the

we couldn't wait for the OG model to arrive on US shores and the newest version has us with equal anticipation

All new rear tread pattern for improved efficiency in a wider variety of course conditions

the results were fantastic

(2005-Current) YZ125

Updated 50% thicker stainless steel hardware

Yoshimura RS-12 Slip On Muffler | 225852S320 390 Duke we couldn't wait for theAggressive, asymmetrical shaped RS 12 profile maximizes muffler volume, manages sound, adds power and provides more clearance for tire and brake caliper. RS 12 systems utilize precision machined joints. Works look matte carbon fiber end cap with intricate details. New carbon fiber cap eases servicing as compared to other sandwich mounting designs most commonly found in the industry. New patent pending Precision Taper Fit (PTF) insert ring Tapered