2pcs car modified magnetic fuel saver xp-2 x-power noise reduction fuel-saving device magnetized oil auto fuel economy elegant

save fuel and money: 100% brand new and high-quality, fuel and money saving. significantly increased mileage per gallon. pass emission test: help to pass the emission test, reducing carbon monoxide and hydrocarbons by 50%. fast start: high octane performance with low octane fuel, which can improve performance and make it start faster. prevent corrosion: prevent the scale and corrosion in the engine; prevent the scale and corrosion in the engine. after sale service: if you have any questions or suggestions during the use, please contact our customer service team, we will reply you as soon as possible..syi