Weld-on CNC machined mass air flow flange for a Denso air meter. Perfect for those designing their own custom inlet pipes. Machined radius is designed to be used with a 2.75" outside diameter aluminum pipe. However, it can be easily modified to work with 2.5-3.0" pipes. *Features:* * CNC Machined Billet 6061-T6 Aluminum Pre-Tapped Threads for Sensor Mount. * Works with Denso MAF Sensors