I need to replace my filter as the other day I hit it against a pole for 10 minutes as dust and junk kept coming out of it. I definitely noticed better performance. As a replacement, would this help with performance and mileage http://www.knfilters.com/search/prod...x?Prod=33-2023 Or should I just stick with the cheap paper filters?

 

I'm personally a fan of KN filters. I pulled the one out of the truck I just bought and cleaned it, and i was amazed at how black the water was when I was rinsing it out. I've heard good and bad stories about them though.

 

The K&N drop in filters are a great upgrade for the dollar. The cotton gauze filter catches particles better, flows more air, and is reuseable. In my opinion many other brands of cotton gauze are just as good and some are less expensive. Air-raid, 3A-racing, summit etc. Fram used to make one called air-hog that I ran in my truck. I replaced it with a K&N when someone stepped on it and seemed about the same.

 

Put simply MAP measures vacuum difference in the intake manifold to determine how much air is flowing in. Maf heats a probe in the intake tube to a specific temperature. An amp meter measures how much electricity is required to keep the probe at that temp. A thermometer measures the temperature of the incoming air. The computer then calculates how much air is coming in using a predetermined set of figures. Basically the more air flow at a given temp, the more electricity required. New systems use both Maf and map sensors for different readings. You can tell a lot about engine condition by manifold vacuum but Maf gives a more accurately reading of incoming air.

 

I'll look into the other ones.

 

Is this the IAT (intake air temp) sensor?

 

Yes.