💦💦VAITRIX Water/Methanol Injection System💦💦 In hot summer, improving efficiency in cars starts from reducing the working temperature of the engine. Water/Methanol Injection in the intake manifold is commonly used at the WRC Racing (World Cross Country Championship). For many years, this system has been limited to the scope of racing or competitive modification. Nowadays, the manufactures directly introduce the water injection system into commercial vehicles and are equipp