Yoshimura R-77 Slip-On Muffler Fits GSXR-1000 (07-08) exo the chin bar vents are

the chin bar vents are used to extract humid air to the outside of the helmet

Air entering from this point is channeled towards the inner side of the shields

The flagship of the Akrapovič exhaust system range

Designed to provide increased horsepower and torque

this kickstand offers adjustable height for optimal stability on various surfaces

Yoshimura R-77 Slip-On Muffler Fits GSXR-1000 (07-08) exo the chin bar vents areYoshimura is renowned for its Research and Development. But producing the finest exhaust systems in the world requires more than a big R&D department. Yoshimura is the leading manufacturer of exhaust systems because our commitment to R&D is matched by our dedication to uncompromising quality standards and our expertise in manufacturing pipes that meet those standards. Exhaust Race R 77 Slip On Stainless Steel Carbon Fiber Single. Features: Trapezoid