V3 Water/Methanol Injection Kit 40 PSI Max HD Controller 5 Gallon Reservoir AEM ElectronicsWater Methanol for High Compression Naturally Aspirated and Forced Induction Gas Engines AEM offers two different water methanol controller designs: One is boost dependent (Kit PN 30 3300) for forced induction vehicles up to 35 PSI of boost. The Boost Dependent controller has an on board manifold absolute pressure (MAP) sensor with a molded in nipple for a boost hose pickup The second controller (Kit PN 30 3350) features a multiple input design that