Just seen this while bored and looking on. Craigslist.
Ford Raptor engine tune - auto parts - by owner - vehicle automotive sale - craigslist
Ford Raptor Cobb / Goosetune 3.5 ecoboost 91 octane tune. $300. (list price $1,300) https://www.cobbtuning.com/products/accessport
fortcollins.craigslist.org