Features:• Apply to 50 size helicopters, according to the strength character of 50 engine to design, features the highest air exhaust volume on the market.•…
Revolution’s highly polished, lightweight mufflers provide less wind resistance and better performance and look good doing it. They?re also surprisingly quiet?perfect for sound-restricted flying fields.…
Features: -Solidly built to resist stress cracking-Included tuned pipes increase engine power-Easy to install bolt-on design Revolution’s highly polished, lightweight mufflers provide less wind resistance…