Spectre's 3 Inch Chrome Air Flow Sensor Mount includes a coupling collar and features a triple chrome plated co-polymer ABS resin construction, which insulates the intake tract from heat. This product can be combined with other 3 inch chrome tubes to create an intake for almost any application, and also includes 3 mass air flow sensor adaptors to fit a variety of applications. Designed for sensors calibrated to 2.875 inch inside diameter tubes, this mount is not intended for turbo-charged or super-charged engines. Spectre s Air Flow Sensor Mount includes a coupling collar and features a co-polymer ABS resin construction; which insulates the intake tract from heat. This mount is not intended for turbo-charged or super-charged engines.