A vehicle frame assembly is provided comprising a main rail. The vehicle frame assembly also includes a deflector assembly which has a front member having an inboard end pivotally coupled to the main rail and an outboard end. Moreover, the deflector assembly includes a rear member having an inboard end slidably coupled to the main rail and an outboard end pivotally coupled to the outboard end of the front member. Additionally, a tension member is disposed between the inboard ends of the front member and the rear member. The deflector assembly is operable between a normal use position wherein the tension member is slack and a collision position wherein the tension member is taut.