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      01-18-2014, 11:59 AM   #1
whodatm3
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Cat back exhaust systems

Is it install and drive or other adjustment/tuning needed?
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      01-18-2014, 12:26 PM   #2
kscarrol
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For the mufflers only, install and drive... If you remove the cats then coding is needed.
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      01-18-2014, 05:01 PM   #3
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Coding isn't necessarily *required*. The car will function normally after a primary cat delete, it will just have a check engine light. It's fine to drive it like that, assuming the light doesn't annoy you.

As stated above, mufflers are an install and drive kind of thing.
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