All ECO products can be easily installed on any engine. It is recommended that you use a ECO installation quick connect kit to simplify your install(s). The ECO can be installed anywhere between the fuel filter and the engine fuel intake (injectors).
Here are several examples of installations:
ECO 4 Installation on a 2017 Dodge RAM
ECO #4 installation on a 2018 Thomas School Bus 6.7 Liter Cummins