CSR Performance Products hood scoop tray insert increases the volume of airflow with added direction to the carburetor, showing a 1.5-3mph gain with a great deal of consistency and repeatability. Works perfectly with the Goza Racing Scoop Mount Tray (p/n 460-GZR1101) and other standard aluminum scoop trays. Scoop Tray Insert measures 13-1/2" x 21-1/2" x 5" deep.