https://www.amazon.com/Moroso-85486-Separator-Mustang-4-6L/dp/B006JZ97EU
that is the unit, prices have come up a bit, but with coupon codes at jegs/summit, shouldn't be bad.
The mounting bracket has a single hole. Remove the ground strap nut, slide the bracket on, retighten nut. Its a tight fit to the forward passenger tab for the engine cover but it'll go.
Will take some pics later this weekend, but with the exception of 2 angled reducer fittings from home depot, its basically plug and play.