Traditional air filters begin just over $5 and go up from there. The price of K&N air filters depends upon the make and model of the car, but generally cost up to $50. A few examples:
- 1996 Mazda Protege (my car) - Traditional Filter $10.50; K&N $26.96
- 2002 Toyota Camry - Traditional Filter $10.49; K&N $47.99
- 2007 Ford F-150 - Traditional Filter $17.99; K&N $51.99
So, today's frugality tip - consider upgrading your car's air filter to a K&N performance filter with a lifetime warranty.