005-2990407V-B NEW! Two Brothers BLACK Series M2 (V.A.L.E.) Slip-on Exhaust System! Fits: 2011-2015 Kawasaki Ninja ZX10R! Fuel remapping not required (although recommended).   Eliminates the Catalytic Converter.  Mounts to the factory location (right side rear passenger peg hanger).  Includes everything to install: BLACK Series - Carbon Fiber M-2 Canister (Race Baffle) Stainless Steel S-bend Muffler Clamp and Mounting Hardware! Reduces overall Weight and Increases Horsepower! Designed with the V.A.L.E. polished stainless steel connector tube that allows for maximum power and great sound. The look is outstanding! V.A.L.E. = Variable Axis Locking Exhaust The V.A.L.E.™ system is a revolutionary and patented method of attaching the muffler canisters to the exhaust tube without the use of springs or welding. The V.A.L.E. systems allows the muffler assembly - exhaust tube and canister - to be positioned perfectly on the bike before all the mounting hardware is fully tightened. Once the canister and exhaust tubes are properly aligned, the V.A.L.E. assembly locks the muffler canister to the exhaust tube assuring a perfect, leak-free fit.