Does anyone know if a cool air system and/or a tuner kit void the warranty on a 2006 Stang?

 

I believe that it will. But as long as you go back to the Ford dealership in stock form/close to stock form, they will cover you for the issue. So like if you put on a cold air intake, take it off when you go to the dealership, and same with the tune.

 

There have been literally dozens and dozens of threads about this same exact question on the 05-06 section. Go in there and search for them. Bottom line, it depends on the dealership.