GPR exhaust compatible with Yamaha N-Max 155 2017-2020, Evo4 Road, Homologated legal full system exhaust, including removable db killer and catalyst GPR supplies a 304 stainless steel manifold including and homologated catalyst. The package includes flanges, bushings, brackets. It mounts directly on the cylinders without any structural changes.GPR products are plug-and-play. However, GPR recommends the installation from a licensed mechanic as GPR will not accept any claims from a do-it-yourself installation.Made in Italy with a 2-year international warranty.Environmental certification ISO 14021 zero impact
