Just thought i would add,
3 weeks ago i noticed that my rear carpet was a bit damp after a large rain storm we had. Sure enough that weekend i pulled the spoiler off, and you can see where the gasket was barely touching. Plus the factory foam gasket itself is pretty so so..
I applied a good ammount of RTV sealant aroudn the wing mounting bolts, as well as between the wing plate and hatch, and shes been bone dry ever since.
I didnt have the extreme water issue that others had, but any amount of water isnt good.
So it would be wize for most of the SRT owners to check their wing, and add some new sealant.