No, this will not give you a consistent engine nor will a fuel filter. If your fuel tank has a built in fuel filter, there is no need for a second one.

In addition,
boost bottles: worthless.
Long or short fuel line theories to improve engine performance: bogus
turbos/superchargers: worthless
Nitrous Oxide injection systems: not worth it when you can do the same with more nitromethane in your fuel.

Hope this helps dispell some of the many urban legends that are accepted as fact by the rc car community.