cat removal - Pontiac G6 Forum
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post #1 of 4 (permalink) Old 05-04-2010, 05:42 PM Thread Starter
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cat removal

can you remove the bottom cat from a g6 2.4L
with out throwing a code? there is no sensor before or after this cat it is the one located just before the resonator
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post #2 of 4 (permalink) Old 05-05-2010, 06:36 AM
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Isnt that the flexpipe??

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post #3 of 4 (permalink) Old 05-06-2010, 11:21 AM Thread Starter
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No, there is a flex pipe and a cat both of them are just before
the resonator. I was thinking of cutting out the cat and putting a strait
pipe between the flex pipe and where the resonator used to be ( I already cut it out and put in a strait pipe)
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post #4 of 4 (permalink) Old 05-15-2010, 12:14 PM
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you can do that and you most likely won't throw a code. unless your car needs to be tested every year, you'll be alright. you'll get a decent amount of power by putting jsut a straight pipe in its place, but it will probably sound like crap...which people have already proven by using a straight pipe in place of the resonator.

IMO you should replace it with a resonator, then have another resonator before the muffler.
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