I dont usely have to prove anything to anybody, but when people call me a liar, then i get abit pissed. http://www.bilgalleri.dk/galleri/storbilledevisning/277197-toyota_il_tempo_gigante_3#/18 there you can se 2 hoses connected to the filter, i am running 770ml on each cyl. Who says i dont have any gauges, i dont flash them. Boostcontroller, i dont need any fancy elektronic one, got manuel and workes just fine, if i wanted electronic, i would have megasquirt control it.