ST4311 / ST4311 - Application Notes



Aero By STILLEN. Designed, developed and manufactured by STILLEN, these urethane Aero components can survive the rigors of real world driving hazards while transforming your car into an aerodynamically-efficient performance statement. All pieces are molded from the highest quality urethane available for flexibility, durability and impact resistance. We guarantee our urethane components against breakage for as long as you own your vehicle. All but Fascias can be shipped via U.P.S.