This O.S 18 TM engine comes with a T-Maxx header and pipe, as well as an EZ-Start for convenient use. It is compatible with a variety of vehicles, including airplanes, helicopters, cars, trucks, motorcycles, and boats. The engine runs on nitro and glow fuel and is suitable for individuals aged 12 and up. With a scale compatibility ranging from 1:4 to 1:10, it is a versatile option for RC model vehicle enthusiasts.  The exhaust will be removed and packed separately to ensure safe delivery. This engine has great compression and runs well. This engine will come with the T-Maxx engine mount, pipe, header, air filter, and EZ-Start. This engine is a direct drop-in replacement for the Traxxas TRX 3.3 engine. Please look at the pictures for more details and feel free to ask for more pictures.