Enhance your riding XPerience with great performance increases from this new single pipe. It delivers an additional 5 horsepower peak and midrange gains up to 10 horsepower. It also reduces weight by 13 pounds and features ERA 2007 Silencing Technology. This pipe set comes standard with ceramic coating on the pipe, y-pipe, and silencer. Ceraamic coating provides an attractive, protective, durable finish that requires minimal maintenance and reduces underhood heat for maximum running consistency. SLP tested and passed SAE J-2567 stationary sound test below 88 decibels.