GP PRO is the technological and stylistic evolution of the GP exhaust Designed to improve the aestethics, sound and performance of the bike, Mivv slip-on exhausts are the result of maximum attention to design, with the aim of satisfying those who want to distinguish themselves by the look of their motorbikes. Technical craftsmanship Extreme precision on couplings Attractive sound The exhaust outlet pipe is completed, as is often seen on the track, by a removable protective grille that hides the dB-killer. This silencer sports the characteristic Mivv logo created by laser technology. Muffler finish: Carbon kevlar Gas approval: ECE approved (Euro 4/Euro 5) Homologation: CE homologated Horsepower benefit: 0.7 Noise approval: ECE approved (Euro 4/Euro 5) Catalytic kit: conserve le catalyseur d'origine Weight: 1.5 Weight benefit: 1.5