if anyone was wondering any information about what the dealers can and can not do as far a voiding your warranty, here you go. not that much of us have warrantys anymore but...


http://www.granatellimotorsports.com/magnusonmoss.htm

 

Problem is, a lot of automakers now include a clause in their warranties that voids it if you modify anything...regardless of whether or not it caused the issue. Heck, some of them even void the warranty if you change your own oil.