Does changing the air filter of an old car do much to the hp?

compared to changing the intake AND the air filter?


The intake looks just like a rubber pipe that leads the air to the filter. Doesn%26#039;t seem like much to me.|||yes the better the engine can breathe the more horsepower it will make. as long as that rubber pipe is clean not blocked just change filter|||The problem with stock filters is that it hinders the air flow thus slowing the engine performance. There are indeed air filters available that can boost HP by as much 5-10% because they allow the air to flow through them more freely. I did use one of these and you can wash them too instead of purchasing a replacement. I can%26#039;t remember what they%26#039;re called, but any custom car shop should have it or at least order for you.|||Depends on how dirty was when replacement to the air filter was done but on ave. will not be noticed