Fits Hitachi MAF Mass Air Flow Sensors. Contoured for 3" pipe and CNC machined from 6061 Billet Aluminum.
These are commonly found on Nissan GTR, Sentra Spec-V, Ford Mustang, Scion FR-S, Subaru BRZ, 2015+ Subaru WRX, and GM applications. May fit a variety of other vehicles.