what size jets did u use for aftermarket exhaust?

im wanting to get a new exhaust for my kz750 b twin and am going to end up with mac 2-1 exhaust. jw what size of jets everyones used and what worked best. i read that 130 for the main and 50 for the pilot is the best set up so jw if thats jw or not alot. thanks alot everyone!