I ground a chisel to get in behind it and pry, ( tap with hammer) it out some, then use a good impact gun to remove. when replacing, use red locktite, especially the drivers side ones, they can come loose and you can lose your wheel.
i weged a crow bar in between the wheel studs, and used a socket wrench with a cheater bar, my compressor and impact cant break em.. becarefull not to bend or break your wheel studs tho..
try a larger airline on your gun Chris. I found this out in the dez, same gun I use at home, but small yellow line, it would not budge, larger normal shop line came right off with same little compressor.
I use a snap on 3/4 gun with 1/2 inch air line compressor is set at 225 psi I don't even have to remove the dimple they punch into the nut ..comes right off and then we re dimple it so it wont come off at the beach