Decat pipe manifoldManifold de-cat, made of 304 satin stainless steel with visible TIG welding, it also matches the original de-catalyst silencer. When the original catalyst is located in the collector it is eliminated with the installation of the GPR manifold.Original GPR product, developed thanks to a long experience in World Motorbikes Championship, propose an innovative design, performance increase, relevant weight saving and a motorbike sound tone improvement.