AF-MODEL AEROFOAM MB-339 Exhaust Pipe for AF Model | AeroFoam 12 CH Italian Air Force Aermacchi MB-339 / 12 CH White Red Aermacchi MB-339 / 12 CH Black Gold Aermacchi MB-339 / 12 CH Black Red Aermacchi MB-339 / 12 CH Tricolor Aermacchi MB-339 RC Turbine J