The GPR exhaust manifolds are manufactured in stainless steel and are supplied complete with everything needed for installation (link Pipes, clamps, screws, brackets, etc ...).
The production GPR for road bikes 4 stroke provides homologated exhaust systems and racing made by artisans in developing and industrial equipment assembly but with regard to the production capacity. For more information and technical details visit the manufacturer's website (click on the logo at the top right).