You should too. When you keep your engine protected by the best Mazda Protege oil filters on the market, you help ensure long engine life and power. We've checked them all out, and in the judgment of the experts here at AutoAnything, K&N Performance Gold Mazda Protege oil filters are the best in the business. Starting at their core, these oil filters feature an advanced resin-cellulose filter medium that keeps your oil clean yet still allows for the high volume oil flow your engine requires. Click over and check their specs. You'll be as impressed as we are.