This was my marriage too. Passive agressive behaviour can drive some people completely up the wall, which makes the passive agressive more angry, and so more passive agressive. I'll share with you how it went after I tried to sort things out. Not for a second saying that this is how the situation will turn out for you, but it's a cautionary take against putting all the work into it when they font want to.
I went to therapy to sort my issues out, and my outbursts stopped. At that point, he completely lost interest in the relationship and walked out about two years after I'd stopped my part of the dynamic. This was after repeated requests to get us into couples therapy (I was very carefull never to suggest he get his own therapy, because he'd explode if I suggested he was damaged in any way by his past)
I was devastated because I had invested so much into the relationship, I'd let every major decision go his way (and for some of them he made them without involving me at all!), and I found myself a stepford wife (most certainly not one of my aspirations) with no husband to financially support her.
I'd stayed because I really believed he would eventually come round to the idea of working on the relationship. I had absolutely no idea whatsoever that although our relationship was highly dysfunctional, it actually did something for him.
So, I should never have assumed that him acting out was a sign he really wanted it changed, although by that I don't mean he would have stayed in the relationship either. It was a game I'd never win. I believe if I'd had done nothing, the relationship would have ended. And I did everything I possibly could, which was bad because now my self esteem is on the floor, but also good because I've dealt with some horrible childhood stuff, and the relationship ended.
With hindsight, I can see what I should have done is called time on it years ago and told him it's therapy or divorce (I did actually say something to that effect once, and I got told I was bring manipulative and threatening so I backed down), and given him a fixed time - 6 months would have been right for me, for him to make up his mind. Would have saved me a whole bunch of heartbreak and a few years of my life.