HMF Racing Yamaha Grizzly/Kodiak 700- Swamp-Series Full System 14-21 Parts_Snorkels the stock muffler is sound

the stock muffler is sound level is at 84 decibels and the Performance Dual Full (with Quiet Cores) is at 88 dB (4dB more than stock)

Defender (2018-2021)

RZR 570 : 2012-2015 : Rear Wheels

Copper core aids in heat removal

HMF Racing Yamaha Grizzly/Kodiak 700- Swamp-Series Full System 14-21 Parts_Snorkels the stock muffler is soundThe Yamaha Grizzly 700 exhaust systems are available in the HMF Performance, Titan, and Swamp (with snorkel) Series as a Slip On or Full 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 85dB, while the Performance Series is at 98dB, the Titan Swamp (Quiet) is at 86dB, and the Titan Swamp (Loud) is at 93dB. Tuning is