Velossa Tech Diffuser Fins - Fiesta ST180 Prosport The disc friction rings feature

The disc friction rings feature directional

(2) – Black 1/8" NPT Plugs

No other blow off valve has the advantage of GFB’s Venting Bias Adjustment

Welded End Tanks compared to weak Ford crimped plastic end tanks that have been proven to leak on  modified cars

Velossa Tech Diffuser Fins - Fiesta ST180 Prosport The disc friction rings featureThese fins are a perfect contour match to your bumper! They come with pre applied 3M adhesive and alcohol wipes are included for clean surface preparation. Installation Guide http: www. velossatechdesign. com wp content uploads 2016 10 velossatech 2015diffuser fist fins installation R1. pdf