For about a year and a half I have used American Muscle for many parts for my Mustang Ecoboost and when I came across an issue with a product they sold me, I have never had worse customer service in my life. Not only do they have THE worst call back record but they do not help or care about helping you for a mistake with their company. After 3 weeks of fighting with them, they finally sent me the part I needed and when it arrived it was the wrong part and only a mistake a complete amateur could make. This is the most unprofessional, rude, and uncharismatic business I have ever had to encounter with and I will never use American Muscle again. And to anyone who I discuss with it about, I will tell them to never use this company.