How to increase horsepower in my Audi A6?

I recently purchased an Audi A6 and I'm looking to increase its horsepower. What are some recommended performance upgrades for this specific model?

One of the easiest ways to increase horsepower in your Audi A6 is by upgrading the ECU. This will allow the engine to produce more power without sacrificing reliability. You can also look into installing a cold air intake and high-flow exhaust for better airflow.

Another option is to upgrade the turbocharger or supercharger in your A6. This will provide a significant boost in horsepower, but may also require additional modifications to support the increased power.