Thanks for your cooperation.
I would try to explain the nature of your disease and treatment decisions emanating from that .
Femoroacetabular impingement progress from impingement to arthritic changes in hip gradually. There are different treatments available for each stage of disease and there is no "one solution fits all" treatment.
Impingement first of all involves the labrum in the area of impingement. If left untreated delamination of the marginal cartilage of acetabulum occurs. This delamination can progress gradually to involve ever greater areas of acetabular cartilage as well as cartilage of head of femur. This ends as arthritis of the hip.
In the initial stages of labrum tear or marginal cartilage involvement arthroscopic treatment is successful and should be done. If labral tear or marginal cartilage involvement is diffuse and not focal open treatment in form of surgical dislocation of hip and osteochondroplasty can be done.
Reconstructive procedures like Hip resurfacing or total hip replacement considered only when there is arthritic involvement of the hip joint .In younger patients resurfacing is the preferred treatment especially if acetabulum cartilage is relatively better.
Considering that duration of a symptoms is only 2 years and your age is only 29 you should be undergoing arthroscopy in preference to reconstructive procedure like resurfacing.
Feel free to ask any follow-up question.