Volvo S60 V60 V70 T6 Inlet pipe, Black hoses, Plastic cover EXTERIOR Inner diameter 1 (mm): 51 ACC:With Clamp Kit Inner diameter 1 (mm): 51 mm Inner diameter 2 (mm): 32 mm Inner diameter 1 (inch): 2 inch Inner diameter 2 (inch): 1 1 4 inch Length: 100 mm Color: Red Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 61 mm Outer diameter 2: 42 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Fits: Volvo S60R This diagram shows the air flow at different pressure drops of do88 turbo inlet pipe compared to OEM: There are no performance difference between the different colors