How to be more noticeable while riding?

Hey guys! I bought a 2012 Yamaha Zuma 50f about 6 months ago. It’s a blast to ride, but I’ve been getting nervous that I’m not loud enough or seen enough to avoid being in danger.

*Of course you are going to be in some danger while riding**

My dad was recently killed in an accident with a car, so road safety has been on my mind.

I’ve been looking for exhaust systems for the Zuma 50f, and while there are some, they are $350 at least. If anyone could leave me a recommendation or a link, that would be HUGELY appreciated.

Any other ideas of how to be seen and heard on the road?