What are the best ways to optimize the engine performance of a Ford Fiesta?

I recently purchased a Ford Fiesta and I'm looking to improve its engine performance. I've heard that there are a few modifications that can be made to the engine to increase horsepower and fuel efficiency. Can anyone recommend some specific techniques?

One of the best ways to optimize your engine's performance is to install a cold air intake. This allows for more air to flow into the engine, resulting in increased horsepower and improved fuel efficiency.

Another option is to install a performance chip or tuner. These can help adjust the engine's settings and improve overall performance.

Regular maintenance and using high quality fuel can also make a significant difference in your engine's performance. Make sure to follow the manufacturer's recommendations for maintenance and use a reputable brand of gasoline.