The heart of the Neuspeed, Passat 1.8t Turbo Kit is the higher output K04 KKK turbo, an Extrude Honed factory exhaust manifold, and a Neuspeed hi-performance P-Chip that is programmed to take advantage of these serious bolt-on performance parts – absolutely no modifications required to install the K04 turbo! Your ECU must be sent to Neuspeed for P-Chip installation – this custom service is included at no additional charge. In addition, the Neuspeed kit comes with Beru Ultra spark plugs, and a lower temperature (180°) water thermostat and fan switch.