Porsche 911 Turbo (992) Induction system, 66mm outl, with Turbo inlet hoses ELECTRICAL (BODY) 9000 (86 98) Inner diameter 1 (mm): 83 93184962 Inner diameter 1 (mm): 83 mm Inner diameter 2 (mm): 102 mm Inner diameter 1 (inch): 3 1 4 inch Inner diameter 2 (inch): 4 inch Length: 100 mm Color: Blue Wall thickness: 6 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 95 mm Outer diameter 2: 114 mm Reinforcement: 5 layers Material: High quality silicone rubber polyester fabric In that case you need article number: FB536 08 Less vacuum and colder air enables the turbo to produce a larger mass which in the end means more air to the intake – summing up We recommend following the BMC regeneration procedure every 20