Our full exhaust system for the 2007 Yamaha R1 features mandrel bent titanium tubing, billet aluminum flanges and titanium canisters with tapered conical outlets. An O2 Bung (w/ plug) is provided for use with the stock Yamaha O2 Sensor. Gains of 13.6 hp can be achieved with use of a Power Commander. Installation of this system will shed 11.4 lbs from the already light bike.
Horsepower
Graves Full Exhaust System = 170.1 hp (+13.6 hp)
Stock Exhaust System = 156.5 hp
Torque
Graves Full Exhaust System = 81.45 ft. lbs.(+5.79 ft. lbs.)
Stock Exhaust System = 75.66 ft. lbs.
Exhaust System Weights
Graves Full System (Titanium) = 11.0 lbs. (-11.4 lbs)
Stock Full System = 22.4 lbs.
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