Audi RS6 C5 2002 2004 Crankcase vent hoses Blue Straight 1000mm long Inner diameter 1 (mm): 54 Inner diameter 1 (mm): 54 mm Inner diameter 2 (mm): 63 mm Inner diameter 1 (inch): 2 1 8 inch Inner diameter 2 (inch): 2 1 2 inch Length: 100 mm Color: Black Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 64 mm Outer diameter 2: 73 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Bend: 90 degree Inner diameter 1 (mm): 57 mm Inner diameter 2 (mm): 70 mm Inner diameter 1 (inch): 2 1 4 inch Inner diameter 2 (inch): 2 3 4 inch Leg length (see picture): 125 mm Color: Black Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 67 mm Outer diameter 2: 80 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric