Graves Motorsports 2015 Yamaha R1 Cat Eliminator Titanium Exhaust System with carbon fiber canister. GMS Exhaust systems are designed for the elite rider seeking top of the line performance, fit, finish and value. This R1 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 5 straight consecutive AMA Superbike championships. Features: New Diamond Shaped Can Design (Carbon Fiber Cans with Carbon End Cap) designed to match the R1's body line. Cans mount directly to new new black billet mounting bracket (included) using a stealth 100% carbon fiber can strap Constructed from Aerospace grade hi heat Titanium alloys 1 Auto Tuner Style Lambda sensors comes standard (OEM dual sensor mounts up front are eliminated for a smoother flowing exhaust. When using any Graves performance system on the 2015 R1 Flash Tune products are recogmended to enhance the bikes performance everywhere. The most effective tune on this setup does not utilize the stock lambdas at all. Advanced welding process showcases laser perfection welds 14.4lbs lighter than stock Performs like a full system, looks like a full system at 50% the cost. Stock Can + Cat System Weight = 18.8lbs. : Cat Eliminator System Weight = 4.4lbs. (14.4lb. savings) DB at Idle 90 / DB at 5000rpm 106.5 Fitment: Yamaha R1 2015