Garrett Intercooler Core Air Water (97 x 95 x 249 mm) 500 HP Audi Bend: 45 degree Inner diameter 12785459 Bend: 45 degree Inner diameter 1 (mm): 63 mm Inner diameter 2 (mm): 76 mm Inner diameter 1 (inch): 2 1 2 inch Inner diameter 2 (inch): 3 inch Leg length (see picture): 125 mm Color: Black Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 73 mm Outer diameter 2: 86 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Reference: GM55561207 but in many cases this is not possible due to space limitations in the vehicle This is a high end universal intercooler core from Garrett