Outrage EVO-55 Muffler for OS 55 Engines

Features

1.       Increased horse power over competitive tuned systems
2.       Better fuel economy due to high efficiency
3.       Excellent engine Idle with quick response and acceleration throughout engine RPM Range
4.       Low Noise without reduction of horse power or exhaust volume
5.       Light weight and compact size to help reduce balance issues

Special Features

1.       No power loss due to one piece pipe construction, so no leaking o-rings or decaying support grommets which robs power and increases maintenance costs.
2.       Steel threaded mounting flange inserts for stronger screw thread retention. (Not required On YS91 series pipes)
3.       Two exhaust pressure ports for better hose routing, Plugs included if ports not needed (Not required On YS91 series pipes)
4.       Incredibly durable high temp Silicon rubber exhaust deflector