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Old April 21st, 2009, 01:17 AM   #1
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Rear Cats


If I were to cut off the two large rear cats and left the front two and then welded in pipe would it cause my check engine light to come on or the engine to malfunction?
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Old April 21st, 2009, 09:54 AM   #2
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Yes. You need to tune it out or get the mil elims.
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Old April 22nd, 2009, 02:33 PM   #3
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Originally Posted by ~C~ View Post
Yes. You need to tune it out or get the mil elims.
yup this is true
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