Quote:
Originally Posted by Smart Car Geek
The bottom line is that the better your car runs, the less gas it will waste, meaning you will get better miles per gallon.
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"Better" is subjective, and in no way means simply that you will increase your mileage. Better can mean that the motor produces more horsepower and torque which will propel the vehicle down a drag strip in 8 seconds. And I've never seen any vehicle that can do that that gets "better" mileage than the motor does in stock trim.
There is virtually nothing you can do with an off-the-shelf item that will do anything to make the car run "better" - and that certainly applies to air filters. A motor is an air pump. If you pull more air in, but don't allow more air out, then you've accomplished nothing.
Seat-of-the-pants engineering based on what the side of the box says is irrelevant and just plain silly. If you're going to attempt to improve - or make "better" - any system in the car, you need know the system, understand what the system does, and make the necessary changes to all the parts of that system.
When I changed the air filter and intake on my silver Miata, virtually nothing happened. When I changed the exhaust system - header to exhaust tip - on my smurf Miata, virtually nothing happened. When I changed the smurf Miata - added the air filter & intake, recalibrated the fuel injectors and computer to match the exhaust system, the car did make gains in both horsepower and torque - that didn't, however, make it 'better.'
When I yanked all that stuff out and dropped in a Ford V8 ... well, okay,
THAT did make it 'better.'
So 'better' is in the eye of the beholder.
Your pal,
Meat.