I owe 70k on mortgage. Interest rate 4.25 30 year loan. I can refi for a 15 year loan but rate of 4.375. Worth it or not?

Another reason I want a different loan is because i pay an extra $80 a month towards pmi. This is for the life of the loan.

Read more: https://allmortgage.net/forum/i-owe-70k-on-mortgage-interest-rate-4-25-30-year-loan-i.html