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Old Mar 8, 2010 | 04:35 PM
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Default C6 Exhaust

Do I need a tune, if I run a catless exhaust system?
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Old Mar 8, 2010 | 04:40 PM
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St. Jude Donor '09-'10-'11
Default Tune for Cat alteration

Yes, you should tune. Your DIC will throw a code and check engine lite will not extinquish till you do.
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Old Mar 8, 2010 | 04:44 PM
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Thanks you!
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Old Mar 8, 2010 | 05:32 PM
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Just remember though - if you tune, GM may not honor future warranty claims. Don't know if this applies to your car or not (no profile info), but it may be something to think about.
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Old Mar 8, 2010 | 05:35 PM
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Originally Posted by WAwatchnut
Just remember though - if you tune, GM may not honor future warranty claims. Don't know if this applies to your car or not (no profile info), but it may be something to think about.
How are you going to pass an emissions inspection w/o the cats?
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Old Mar 8, 2010 | 06:38 PM
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I have good friends!
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