Yoshimura Silencer Bracket SET Ninja ZX-4R SE/RR(23), Ninja ZX-25R(23) Slip-On HEPTA FORCE TSS for Cyclone 194-247-0010Material: Aluminum Finish: Alumite Color: Black Mounting bolts included Single seater optional silencer bracket SET. It cannot be installed at the same time as the genuine tandem bracket, so the riding capacity is limited to one person. This is a part exclusively for closed circuits. [Specifications] Aluminum Alumite finish Color: Black Bolts included Compatible muffler Ninja ZX 4R (23) Slip On HEPTA FORCE TSS Cyclone Ninja ZX 25R (23) Slip On HEPTA