This is the Muffler that I've been working on with Hatori for the OS 50.

     

Hatori SB-50HP High Performance .50 Muffler.
Features: Threaded Bolt on Header, Low noise, High power output. Specifically designed and tested for the OS .50 and Hyper.
Produces great power at a wide range of RPM. Produces Max power at 17,000 engine RPM.
Price: $120.00 +  S&H Only available in continental United States.
Please include shipping address on checkout page.
Products will ship 1-7 days after order.

 

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Raptor 50 Mounting

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