Yoshimura RS-3D Dual Slip-On Muffler Stainless/Aluminum for Honda CRF250R 06-09 The Signature Series lineup is the answer for todays dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many off-road applications. All Signature Series components are tested, documented, and marked as required by federal and state regulations. CARB/EPA tail-pipe emissions compliant All applications are marked with appropriate EPA noise emissions labels