Yoshimura R-77 Signature Series Slip-On Exhaust 11210E0220 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 Certified by an independent laboratory for EPA noise compliance