Performance Fuel Filters - CARiD wwwd›All Products›Performance Parts›Fuel SystemsMany performance fuel systems are configured for an external fuel pump, in which case a higher micron number filter, 100 for example, would be used between the tank and pump to protect the pump. A finer 40 or 10 micron filter would be installed after the pump to protect the carburetor or injectors respectively. Performance Fuel Filter - AutoZone wwwzone››Fuel Systems›Fuel Line / Fuel DeliveryEquip cars, trucks & SUVs with Performance Fuel Filter from AutoZone. Get Yours Today! We know our parts and products.