2Pack Vgoohobby Aluminum Alloy Back Pressure Cooler Fuel Tank Air Cooling Compatible with Traxxas Axial HPI HSP Redcat 1/8 1/10 RC Nitro Engine RC Car Off Road Monster Truck,Blue

How it works:When the exhaust gas passes through the back pressure cooling pipe, it can cool the gas filled into the fuel tank. Then the temperature of the fuel is naturally not so high. On the one hand, it can slightly increase the life of the engine, on the other hand, it can lower the working temperature of the engine Compatible with HPI HSP Redcat Traxxas Axial Himoto 1/8 1/10 Nitro Engine RC Car Truck It Can cool the gas filled into the tank, so the temperature of fuel will not very high Reducing engine temperature can increase engine life and increase the efficiency of a tank of oil Materail: Aluminum. Size:52mm*10mm/2.05×0.39(L*Dia) Color: Blue Weight :9g/Pcs Package Includes: 2 x RC Pressure Cooler