Premium Guard Air Filters are engineered to meet, or exceed, OEM air filter requirements of up to 12,000 miles of engine air filtration protection from items such as other harmful air particles. Premium Guard Air Filters provide up to 99% filtration efficiency of hazardous air impurity while limiting air restrictions to ensure optimal airflow to the engine which provides optimal engine performance. See what it fits: 2006-2007 Saturn Ion 2.2L2006-2007 Saturn Ion 2.4L Premium Guard automotive air filters are tested to the highest standards, ensuring optimal performance from both the air filter and your vehicle's engine. Our stringent testing practices address three factors that affect overall filter performance: efficiency, restriction of airflow, and dust-holding capacity. Delivering high efficiency and high capacity, our engine air filters maximize airflow through the filter into the engine, resulting in cleaner air and longer air filter life. Enjoy maximum engine protection and operation with Premium Guard air filters. Efficiency describes the volume of dirt and pollutants that an air filter prevents from entering an engine. High-efficiency Premium Guard engine air filters trap up to 99 percent* of dirt/pollutants over the life of a filter. *Tested per ISO-5011 Restriction of airflow measures the air flow that passes through the car filter into the engine. Our automotive air filters are designed to maximize the flow of clean air into the vehicle's engine, enhancing its power and performance. Dust-holding capacity refers to the quantity (weight) of airborne pollutants captured throughout the life of the auto air filter. All Premium Guard air filters feature high dust-holding capacity for exceptional longevity and performance. The Many Advantages of Premium Guard Air Filters Enhanced Fuel Economy With our high-performance air filters you'll experience optimal fuel burning and improved engine combustion, boosting your vehicle's overall fuel economy. High Performance Premium Guard automotive air filters optimize the flow of clean air into the engine for enhanced engine performance and power. Easy Installation Manufactured to meet or exceed OEM (Original Equipment Manufacturer) requirements, we offer the same fitment as the original filter. OEM fitment ensures easy auto air filter installation every time. Impressive Value Combining affordable, direct-to-consumer prices and the highest quality standards, these engine air filters deliver great value along with superior protection and performance. Common Indicators It’s Time to Replace Your Engine Air Filter Engine Light Comes On: Many cars are equipped with an airflow sensor that sets off the check engine light.Visual Inspection: Premium Guard automotive air filters are white so you can see if they're dirty. Check the outside and inner layers of the filter paper for dust and debris.Reduced Fuel Economy: When engines get less oxygen, they consume more fuel. If you notice fuel economy going down, you may need to replace the air filter. Engine Misfiring: Restricted air supply results in unburnt fuel exiting the engine as soot residue. Soot accumulates on the spark plugs, which can cause the engine to misfire.Reduced Horsepower: Replacing the air filter can improve acceleration or horsepower. If your car doesn’t respond well or jerks when you step on the accelerator, the engine may not be receiving the air it needs to perform. Black Sooty Smoke or Flames: Poor air supply can result in fuel not burning completely during the combustion cycle. Unburnt fuel exits the car through the exhaust pipe, possibly resulting in smoke or flames. *Certain conditions can impact the life of the air filter. Possible causes of more frequent replacement include: Driving conditionsDusty roadsHumid climates Congested roads and heavy-traffic areas