Porsche 911 Turbo (991.2) 2015 Y Pipe, Black for OEM IC E30 Bend: 90 degree Inner diameter E34 Bend: 90 degree Inner diameter 1 (mm): 51 mm Inner diameter 2 (mm): 76 mm Inner diameter 1 (inch): 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: 61 mm Outer diameter 2: 86 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Anti Theft Remote Control Receiver OEM SAAB Much larger inner diameter for improved air flow In the beginning of the development process of this product we spent a lot of time thinking what would be the preferred way to build a Y pipe and here is the result of our conclusions and development process