- 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!
New! Muffler Studio QuietPower muffler for Zenoah/CY RC format engines
-More power output than the MS320
-Repositioned header for better model CG
-Exclusively from Gas Powered Helicopters!
New Design Performance muffler for OS Max 1.05 engines