Description: Golf 4 180 hp 1.8T performance increase to approx. 240 hp / 350 NmThe kit includes :- KKK K04-001 turbocharger- reinforced intake hose- modified bypass valve- 4x 380cc injectors - sport air filter insert - optimized ECUThe ECU must be sent to us, or schedule an appointment on site. - A VR6 mass air flow sensor must be installed - At least 98 octane fuel must be used!For Kit 2, the following components are also required to achieve the performance: Stainless steel exhaust system 63.5mm http://www.turbo-parts.de/1-8T-Tuning/Auspuffanlagen/Audi-A3-1-8T:::226_228_231.html1.8T 76mm stainless steel downpipe with 200 cell racing cat http://www.turbo-parts.de/1-8T-Tuning/Hosenrohre/Hosenrohr-Downpipe-1-8T-o-76mm-Turbo-bis-15PS-mehr-Golf-4-mit-Rennkat-200-Zellen::820.html1.8T upgrade aluminum intercooler plug&playhttp://www.turbo-parts.de/Ladeluftkuehler/upgrade-Ladeluftkuehler-fuer-Golf-4-A3-1-8T-Seat-150-180PS-aus-Alu-plug-play::1511.html