Does better airflow give you better mileage?
Mechanics at the dealership always say that a new air filter gives you better air flow and more power and fuel economy. So to keep my mileage up I regularly check my filter and change it when needed.
Now how about a high performance air filter such as K & N? They claim to help increase the airflow into the carburator or throttle body of fuel injected system. This in turn gives you more power and in most cases better fuel economy.
From the reviews it would seem that most people will get a slight power boost and better fuel economy. Installing a high performance air intake kit supposedly makes this process even better.
Some of the companies that make the kits are K & N, Weapon-R, and AirAid.
The cost of these units for my Honda van range from $126 to $361.
Is it worth it? If it guarantees better mileage I'd say so.
But I am not to sure of the increased engine noise. I don't want to draw too much attention to the van at soccer games;-)