Porsche 911 Turbo (996) Plenum, for 997.1 Turbo throttle body CLIPS RIVETS & HARDWARE Turbocharger Oil Feed Pipe TD04 Performance Turbocharger Oil Feed Pipe TD04 OEM SAAB Bend: 45 degree Inner diameter 1 (mm): 89 mm Inner diameter 2 (mm): 102 mm Inner diameter 1 (inch): 3 1 2 inch Inner diameter 2 (inch): 4 inch Leg length (see picture): 152 mm Color: Blue Wall thickness: 6 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 101 mm Outer diameter 2: 114 mm Reinforcement: 5 layers Material: High quality silicone rubber polyester fabric Engineered to work with the throttle body from 997 Smooth interior surface for optimal air flow