What modifications should I make to my Toyota Corolla to improve its fuel efficiency?

I recently bought a Toyota Corolla and I've noticed that it's not as fuel-efficient as I had hoped. What modifications should I make to improve its fuel efficiency without sacrificing performance?

One simple modification you can make is to switch to a lighter and more aerodynamic set of wheels. This will reduce the amount of drag on your car and improve its fuel efficiency.

Another option is to install a cold air intake system. This will allow for better air flow into your engine, resulting in improved fuel efficiency.

Regular maintenance is also important for fuel efficiency. Make sure to keep up with oil changes, tire rotations, and other recommended services.

Consider giving your car a tune-up to improve its performance and fuel efficiency. This can include replacing spark plugs, filters, and other components that may be affecting your car's fuel efficiency.