Curtis Youngblood Enterprises - MP7 - OS 90 size Muffler

Designed and flown by Multi-Time World Champion, Curtis Youngblood, this latest version of the famous "Muscle Pipe" offers even greater power than the previous MP6

The Muscle Pipe 7-90 has great power throughout the rpm range, smooth and snappy engine response good for FAI and 3D flying styles. No extra mounting pieces needed, suitable specifically for the OS91 series engine

Supplied complete with all mounting hardware, exhaust deflector and gasket