Garrett Intercooler Core Air Water (97 x 95 x 297 mm) 750 HP PERFORMANCE 900 (94 98) less expensive something that a diaphragm less expensive Inner diameter 1 (mm): 60 mm Inner diameter 2 (mm): 76 mm Inner diameter 1 (inch): 2 3 8 inch Inner diameter 2 (inch): 3 inch Length: 100 mm Color: Black Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 70 mm Outer diameter 2: 86 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric the intercooler using rubber isolation grommets which protects from vibration failure and reduces the thermal expansion loads Side entry end tanks is often ideal for both flow distribution and pressure drop