80 bucks. I got it off a guy from dfw stangs. I think market price was something stupid like $200 new. This one is gently used . I think I really was really lucky to find it.
The instructions for the cooling mod can be found at the bottom of every page of our site under the installation instructions link. They have full color photos to help with the install.
Let us know if there's anything else we can help you with in the meantime.