You're going to end up spending $1000+ anyway if a header + slip on option existed, but it doesn't.
LeoVince makes a full exhaust for $1030 USD which includes headers and same style underbody muffler as stock.
https://www.leovince.com/en-ca/product/1812-0552-lv-race-yamaha-tracer-9-gt-gt-2021-2023