check engine light

if i buy a off road pipe and dont buy mil elimiantors will it hurt performace or drivability of my car because i plan on buying a xcal pretty soon and dont wanna waste the money if all i have to do is ignore that stupid light. thanks
 
if i buy a off road pipe and dont buy mil elimiantors will it hurt performace or drivability of my car because i plan on buying a xcal pretty soon and dont wanna waste the money if all i have to do is ignore that stupid light. thanks

The car will run richer, just like a built in safety measure. I can't find the website right now but if you search for it there is a way to make mil elim's yourself.