• 2:1 Boss Fat Cat is a stepped header system at the head 1 5/8″ to 1 3/4″ to 1 7/8″ at collector and and 2 1/2″ where the muffler goes to the header.
  • All Boss Fat Cat full systems are equipped with heat shields, exhaust gaskets, bolt kit and a baffle.
  • Each exhaust system is designed and dyno tested at our facilities.
  • Every exhaust is designed to increase low-end torque and horsepower.
  • Performance increases are about up to 15% with the proper tune on the bike.
  • The Louvered wrapped baffle is the quietest baffle for motors 96″ to 103″
  • The Perforated baffle is the very very loud baffle for motors 96″ to 113″


Weight 1 lbs
Dimensions 1 × 1 × 1 in
Engine Type