Napoli are second in Serie A after Italy forward Lorenzo Insigne scored twice to help his side win at Torino.
The 27-year-old rifled home the first inside the opening five minutes before Simone Verdi doubled the lead after being set up by Dries Mertens.
Torino scored through Andrea Belotti’s penalty before Insigne made it 3-1 with a shot in off the post.
Napoli have won four of their first five league games under former Chelsea boss Carlo Ancelotti.
Get video on your device HERE