Another option is the clamp-repair, check out the dorman product 917-142. It is made for exactly this. You don't even have to remove the broken or existing bolts for this method, clamps right above using empty holes already on the motor.
https://www.dormanproducts.com/p-75506-917-142.aspx
On my 2010 I also have 1 broken exhaust manifold bolt on each side of the motor, both are the closest ones to the firewall. The ticking noise subsides as soon as the manifolds warm up and seal, for now.
As to your question if you want to tackle this yourself, watch a few youtube videos and see what you think about the bolt extraction portion of the job. There are many tutorials as it is a very common problem. If you can handle extracting broken bolts (decent welder?), you should be able to accomplish the rest. Here is a one such video: