EkoStinger is the new Shapes of Savings in under-trailer aerodynamics. The EkoStinger moves with the tandems. EkoStinger’s consistent aerodynamics saves more fuel than any other under-mounted product on the market and significantly reduces road mist, provides the best stability for trailer in heavy winds and reduces maintenance costs. For additional unsurpassed benefits, add the “EkoShield”. The “EkoShield” protects cross members and side rails from corrosive elements and further improves fuel economy.