FS2004/FS2002 ENGINE EXHAUST SYSTEM PLUS Version 3. Now adds APU effect and can be used with AI. Updated, improved, simplified. Heat and shimmer turbofan and turbojet engine exhaust effects, auto-operated at idle and at full throttle. Full installation instructions for most common freeware passenger airliners - listing included. By Martyn Becker. File size - 268kB