I think what your reffering to is the magnason-moss act. It's a federal law that basicly says the dealer can refuse a warranty service repair but ONLY if the modifaction is the direct cause of the damage. One of the biggest things we're seeing with the newer trucks is the restrictions on the...
Sorry to hear about that. It's sad to say but that sort of thing happens on-line all the time. If you need our install kit for the intercooler shoot me a pm and i can get you the parts you need at a VERY good price.