DOE study).
Purolator A36271 PurolatorONE Advanced Air Filter - Replacing an air filter every 12 months or 12,000 miles can have a significant impact on engine performance and efficiency.PurolatorONE Air Filters trap up to 99% of dirt, dust, soot and other debris, helping to protect your engine from damage. A new air filter can also help prevent engine wear, improve fuel efficiency and can even improve acceleration by up to 11% (U.