FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE.Increased performance, weight reduction, and outstanding durability makes the Slip-On Line an easy-to-install system that offers a perfect balance between performance and affordability. Made from stainless steel, this system comes with a titanium muffler outer sleeve and titanium end-cap, and features a unique Akrapovic sound ideally suited to the bikeÆs character. Designed to fit within the limited space of the bikeÆs design. Meets FIM noise limits. Relief imprint on the titanium end-cap for added visual impact. Finished with a durable coating, giving better scratch resistance and easier cleaning.