C5 2.8l exhaust options
 

What are my exhaust options? I was thinking about doing headers for the sake of it but if it's not really necessary then why do it. Would just doing the muffler instead of the whole exhaust system do the job? I'm not trying to go like super expensive honestly. I don't want to put catalytic converters back in. I posted a video down below to show what kind of sound I'm looking for