Arrow Thunder Exhaust 2017- KTM Duke 390
Static noise level: 85 dB @4500 rpm
The latest generation of street bikes were designed giving fundamental importance to using the smallest exhaust systems possible with placement in various non-conventional positions. To compensate for the lower internal volume, Arrow researched the best materials available on the market for noise reduction. Street Thunder silencers are light and powerful as a slip-on system. They are street legal for noise with the removable noise cancelling baffle installed. Available in titanium, carbon fiber and aluminum, with a unique endcap available in stainless steel or carbon.