Group of self-adhesive foam strips of measurements 13x155mm (W x L) and degree 1.5, 3.0, and 5.0 mm. The set helps it is easy for the aerodynamics of this touring automobile front side end dialed in. Filling the space in the middle of your body and bumper keeps the human body from deforming at high rates and prevents the body from pushing the track area. Also achieve faster top rates with less aerodynamic loss.