- New design high performance muffler for the OS GT15
- Increases performance over standard OS muffler
- High quality all aluminum design
- Includes all mounting hardware
- Perfect match for the Gas Powered Helicopters GT15 Sport Edition engine!
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New! Muffler Studio GPH-320 muffler for Zenoah/CY RC format engines
-More power output than the MS260
-Quiet
-Exclusively from Gas Powered Helicopters!
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