Quote:
Originally Posted by chappy48
Exhaust mods do not void your warranty. Haven't heard of a dealer disabling the codes, but if you find a good one they might be able to. Usually the codes from longtubes are because of cat efficiency or o2 sensors. It's not a major problem, just an annoying check engine light. Any good tuner can disable those codes so they don't come on.
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my dealer told me that putting headers on would void it. but if you go in with a problem they would have to determine that the headers are what caused the problem