BigPack VAG 2.0 TSI EA888 Gen4 (245hp) Red hoses Outlet 51mm Inner diameter 1 (mm): 51 do88 kit87B Inner diameter 1 (mm): 51 mm Inner diameter 2 (mm): 63 mm Inner diameter 1 (inch): 2 inch Inner diameter 2 (inch): 2 1 2 inch Length: 100 mm Color: Red Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 61 mm Outer diameter 2: 73 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric 1 Per Key Fob A common misunderstanding is that an intercooler installed in this position cannot provide good performance and that a front mounted intercooler FMIC would be much better The do88 performance intercooler is an all aluminum construction