Originally Posted by Remerson228
Let's not get too carried away with this. A tuner instantly voids the engine warranty, regardless of what the Magnusson-Moss act says. Most dealers will allow the CAI and exhaust slide though because the possibility of them causing any real problems is small.
Would headers and a cam also void the warranty?
Also to clarify, my warranty is an extended warranty, i got it and the truck from a chevy dealership.