its dead easy really i have made a extension for the supercharger thing that was easy it was off a air flow meter off a volvo but a gm or bmw have them or vw bosch injection really. ive put the bottom of my airbox back on for the moment to stop it rubbing on my top hose. theres pics on my facebook im shite on computers so have a look my name is simon allan from wilmslow my profile pic is my w202