How can I increase the horsepower of my Nissan GT-R?

I recently purchased a Nissan GT-R and while I love the car, I feel like it could use a bit more power. What are some ways I can increase the horsepower without sacrificing the reliability of the car?

One option is to install a performance chip, which can increase the horsepower by up to 20%. Just make sure to do your research and choose a reputable brand that won't harm your engine.

Another option is to upgrade the exhaust system. This can improve the airflow and increase horsepower by up to 10%. However, it can also be a bit pricey.