I personally decided that mods were not worth the hassle my dealership has given other people in the past. I used to have an Injen short ram intake but then replaced it with the stock intake. My question is: in the future, can the dealership EVER trace back any engine problem to the Injen? Can they even tell that I had it on my car at some point?

 

no, what type of issues would a injen intake create for your car in your opinion?