Do you fit items which haven't been bought from Halfords?

We are unable to fit any vehicle-related products that haven’t been bought at Halfords because of potential problems with warranty concerns. This includes stereos, speakers, subwoofers, amplifiers, dash cams, sat navs, DAB add-ons, parking cameras, number plates, light bulbs, wiper blades, oils & amp additives, roof boxes and cycle carriers.