Scope of delivery: - Intake hose made of silicone 1.8TDescription: - the intake hose is particularly useful for engines with increased performance because it does not contract like the original one. - Connection to the mass air flow sensor is ø 70mm inner diameter. To drive e.g. the VR6 MAF with 80mm outer diameter, you would have to use the following parts:https://www.turbo-parts.de/Silikonschlaeuche/Silikonschlauch-Reduzierer-gerade-schwarz/Silikonreduzierer-gerade-80x70mm-innendurchmesser-schwarz-L-100mm-4-lagig-5mm-Wa::1328.htmlhttps://www.turbo-parts.de/Silikonschlaeuche/Silikonschlauch-Reduzierer-gerade-schwarz/Silikonreduzierer-gerade-80x70mm-innendurchmesser-schwarz-L-100mm-4-lagig-5mm-Wa::1328.htmlhttps://www.turbo-parts.de/Silikonschlaeuche/Schellen/Schelle-HD-Breitbandschelle-81-73mm-fuer-70mm-Silikon-aus-Edelstahl-19mm-breit::331.htmlhttps://www.turbo-parts.de/Silikonschlaeuche/Schellen/Schelle-HD-Breitbandschelle-91-83mm-fuer-80mm-Silikon-aus-Edelstahl-19mm-breit::333.htmlTechnical data: - 4 layers - approx. 5mm - Temperature range -40 to +180°C - Max. pressure up to approx. 5 barSuitable for: - Audi/Seat/VW 1.8T engines AGU/AVC/APH/AUY/ATC/AJQ/ 150-180hp - Turbocharger original K03 and original upgrade Borgwarner K04-001. Not suitable for K04-001 upgrades which have a larger compressor wheel, e.g. 42mm or 46.5mm; for that you will need this intake hose