Key FeaturesManufactured in the USA using proprietary 4-step molding process to ensure the highest quality.Specially formulated sensor-safe oiled cotton filtration media traps particles as small as 5 microns.Up to 25% more air flow compared to the leading manufacturer.Washable and reusable, eliminates waste from single-use filters.Designed to meet or exceed OE specifications and covered by HPS's 10-year limited lifetime warranty.Installs in just minutes.HPS Performance Drop-In Air Filters are a direct replacement for your vehicle's engine air filter. HPS uses a low pressure injection molding process to produce the panel filter's frame, ensuring a high quality product that allows for up to 25% more airflow than the leading brand. The woven cotton filtration media is encased between durable stainless steel mesh to retain its rigid pleats. This filter is coated with a specially formulated synthetic oil that traps fine particles within the double-layered woven cotton media. It installs in just minutes using little to no tools, depending on the vehicle. HPS Performance Drop-In Air Filters should be serviced every 30,000 miles using the HPS Performance Air Filter Cleaning Kit to maintain optimal filtration and airflow. Manufactured using only high-quality materials, this HPS Performance Drop-In Air Filter is engineered to last and is covered under HPS's 10-year limited lifetime warranty.Vehicle Application2005-2011 Lotus Elise 1.8L L42008-2011 Lotus Elise SC 1.8L L4 Supercharged2008-2011 Lotus Exige 1.8L L4 Supercharged2003-2008 Pontiac Vibe 1.8L L4, 1ZZ-FE2003-2006 Pontiac Vibe GT 1.8L L4, 2ZZ-GE2007-2010 Scion TC 2.4L L42003-2008 Toyota Corolla 1.8L L4, 1ZZ-FE2005-2006 Toyota Corolla XRS 1.8L L4, 2ZZ-GE2003-2008 Toyota Matrix 1.8L L4, 1ZZ-FE2003-2006 Toyota Matrix XRS 1.8L L4, 2ZZ-GE