It's in the dealerships hands now...Usual song and dance, leaving you with a light wallet when the day's done, but as the OP stated, he doesn't mind spending money to fix the problem.
1065 for the manifold, new intake runners(?), you know they're gonna ding him for a new runner control, yada yada, all the associated parts,throw in labour .....
*#$@#!% dealerships..never been to one that didn't try to rob you blind.

MHUNLEY...Let us know how it turns out.