K&N Custom Air Filter E-3521

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. - Designed to boost horsepower and rate of acceleration- Can be cleaned and used again- High air flow with exceptional filtration- Lasts up to 80,000km before cleaning is required depending on driving conditions- Works with original equipment manufacturer vehicle electronics- Will NOT void vehicle warranty- Million Mile Limited WarrantyProduct Specifications:Air Filter Shape OvalBase Outside Length 12 in (305 mm)Base Outside Width 5.25 in (133 mm)Filter Material Cotton GauzeFilter Re-Oiling Amount 0.75 oz (22 ml)Flanges NoneHeight 2.25 in (57 mm)Inner Wire NoInside Length 10.75 in (273 mm)Inside Width 4 in (102 mm)Outside Length 12 in (305 mm)Outside Width 5.25 in (133 mm)