I just purchased a 2010 848 with 14k miles. Currently has a Competition Workes slip on. I'm not in my twenties anymore, so a race pipe is way to loud. I'd like to swap out a Two Brothers. Do I need to remap again?

Hey guys, I just bought my first Ducati! It's a 2005 Monster 620. Anyways the guy I bought it from said it had a fuel remap but when I asked him if it had a power commander or something else he had no idea what I was talking about and said the last owner did it. I searched the bike but can't...