How can I increase the engine performance of my Audi A8?

I've been noticing a decrease in my Audi A8's engine performance lately. Are there any tips to increase its performance?

You can try adding a cold air intake or a performance chip to your Audi A8. Also, make sure to regularly maintain your car's engine and replace worn out components.

Have you checked your car's air filter? A dirty air filter can significantly affect your engine's performance. Consider replacing it with a high-performance air filter.

One simple way to improve your Audi A8's engine performance is to use a higher octane fuel. This can provide a boost in horsepower and overall engine performance.