Triumph Bonneville America Slash Cut Sports Mufflers
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Triumph Bonneville America @ Speed Master Slash Cut Sports Mufflers
On the Dyno the Bonnie America model produced an extra 8.5 Horsepower gain over the standard exhaust system. That is just with the pipes and no engine modifications. There is a recommendation with the America’s for an increase in main jet size to 135 with all else at standard position. Customer feedback also reports a huge gain in throttle response and of course mid range torque.
The Slash Cut’s sound fabulous on the American and the Speedmaster models. They have been described as a note to dance to. They also bring out that distinctive Triumph note, they turn heads. The Staintune Slash Cuts are ADR compliant and have the Staintune removable restrictor system.
Restrictors In: 94.5 dba @ 3650 rpm
Restrictors Out: 99 dba @ 3650 rpm
Have a look for yourself, they look magnificent. The Slash Cut style really suits the Bonnie American and the Speedmaster and will last for the life of the bike. They come in a mirror finish that you can see yourself in and with a little Staintune Liquid Mirror Polish they will stay that way.
Part No: TR MS BON AM