FRAM recommends changing your engines air filter every 12,000 miles FRAM air filters help prevent excessive engine wear and help to maintain factory performance FRAM air filters let through 2 times less dirt than the average of leading standard retail brands Replacing a clogged air filter with a FRAM can lead to Increased horsepower and increased acceleration FRAM air filters are made with high efficiency heavy duty filter media to dramatically reduce the amount of dirt passing through the filter and provides exceptional overall contaminant removal. The FRAM brand is committed to providing products to enhance the engine's operating environment. FRAM filters are designed to match engine requirements and to provide maximum protection.