BMC Twin Air Conical Air Filter, Connection 130mm, Length 200mm STEERING SUSPENSION 900 (94 98) Bend: 90 degree Inner diameter ICM 110 TTID Bend: 90 degree Inner diameter 1 (mm): 41 mm Inner diameter 2 (mm): 51 mm Inner diameter 1 (inch): 1 5 8 inch Inner diameter 2 (inch): 2 inch Leg length (see picture): 102 mm Color: Blue Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 51 mm Outer diameter 2: 61 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Model years: 1999 2009 with both lateral and central airflow inlets Use as few tight bends as possible to reduce restrictions and to create a uniform air flow to your intake manifold or turbo inlet