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will gutting my cats make my car louder ?

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Old 10-14-2007, 11:20 PM
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Default will gutting my cats make my car louder ?

how do I do this and how do I clear the code ?
Old 10-14-2007, 11:49 PM
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You won't throw a code by gutting the cats. At least you shouldn't.

How do you do it? Remove them, jam an iron rod into them and beat the **** out of them until the honeycomb falls apart and falls out of them
Old 10-15-2007, 12:01 AM
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you will absolutely throw a code, your rear o2s will sense your cat is gone and throw a code. the only way to get rid of it is to tune it out, or get o2 simulators which are hard to come by nowadays
Old 10-15-2007, 12:08 AM
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louder ya
will set code
dont smash them out,sell them.put the 100-140 toward headers
Old 10-15-2007, 12:09 AM
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Originally Posted by SamhainZ28
you will absolutely throw a code, your rear o2s will sense your cat is gone and throw a code. the only way to get rid of it is to tune it out, or get o2 simulators which are hard to come by nowadays
I've heard some people say they've done it and not gotten any codes for doing so.

If you get one, just call up Vince Trifecta and he'll send you a tuner that'll clear them out for you for not much money. That's what I did when I swapped my gears and did a header install - removed codes and recalibrated my rear end for $100. You plug it into your OBDII port and after 10 minutes, you're done.
Old 10-15-2007, 05:12 PM
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Originally Posted by ChocoTaco369
You won't throw a code by gutting the cats. At least you shouldn't.

How do you do it? Remove them, jam an iron rod into them and beat the **** out of them until the honeycomb falls apart and falls out of them
NEWBIE ALERT::::::: choco..of course u will get a SES light..the rear 02's are ONLY there to moniter the REAR CATS.. PLEEZE TRY TO REFRAIN A LITTLE BIT, WHEN GIVING YOUR GOD-SENT ADVICE....
Old 10-15-2007, 05:15 PM
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any links/ tips on removing them ?
Old 10-15-2007, 06:47 PM
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Depending on where you live, or how old the car is the studs on the cats are going to be beyond rusted, which means the bolts are going to snap off. You are better off with getting headers and an ORY, and selling the cats.
Old 10-15-2007, 07:38 PM
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I decided to get a cut out
Old 10-16-2007, 12:17 PM
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good call....I have long tubes, no cats, and a corsa touring....its really loud, but I love it. Also I had the codes tuned out. You can get about 150 for both your cats, which is really nice if you don't plan on ever running them again...
Old 10-16-2007, 04:04 PM
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ditch the cats and tune it out completely IMO!
Old 10-16-2007, 04:34 PM
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Originally Posted by studderin
louder ya
will set code
dont smash them out,sell them.put the 100-140 toward headers
Best thing you could do. I see you went with a cutout though, good choice. Save up for a full exhaust and sell those cats.



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