HMF Racing Gray Performance Slip on Exhaust for Yamaha Grizzly 550-700 07-20 End Cap- Turn-Down-Brushed

The Yamaha Grizzly 700 is available in the HMF Performance , Titan , and Swamp (with snorkel) Series as a Slip-On System. The Performance Series picked up 5 horsepower and 4lb of torque. The Titan/Swamp Series (Quiet or Loud) picked up 4 horsepower and 3lb of torque. At idle, the stock muffler is at 85d - B, while the Performance Series is at 98d - B, the Titan/Swamp (Quiet) is at 86d - B, and the Titan/Swamp (Loud) is at 93d - B. Tuning is 100% necessary when using exhaust. The engine has air injection that must be blocked off to get valid AFR readings.