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  #1  
Old 05-21-2013, 01:10 AM
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Default deleting cats

Has anyone deleted the cats on a 3/4ton? Is it a bad or good idea? How much does it normally run? Thinking about doing it to my 04
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Old 05-21-2013, 01:32 AM
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it can't hurt but you'll have to deal with cat codes unless you can program it off or run plug foulers but that can be hit or miss...
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Old 05-21-2013, 09:52 PM
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^^ What fred said. Is there a particular reason you want to delete them? Damaged/clogged, performance, or just because you can?
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Old 05-22-2013, 09:00 PM
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I cannot imagine why you would want to unless it is off road???
2nd what Fred said!
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Old 05-24-2013, 01:26 AM
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Any performance guna be gained???? Wanna make the exhaust a little freer without going dual. I got a magnaflow single in/out with 3" pipe.
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Old 05-24-2013, 08:56 AM
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Just dont do it. The gains is going to be mininmal (if any) to where you wont see it. Plus it will make the exhaust smell horrible.
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Old 05-24-2013, 02:55 PM
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it's your choice...i didn't think it would make much of a difference but when I did delete the cats, I could feel my truck move aggressively better at wot.. but the sacrifice will be the smell as it is stronger..
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Old 05-24-2013, 10:18 PM
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Quote:
Originally Posted by deboer View Post
Any performance guna be gained???? Wanna make the exhaust a little freer without going dual. I got a magnaflow single in/out with 3" pipe.
You need to be in the higher RPMs to really take advantage of the reduced flow restrictions with deleted cats. Some people love the sound difference, but I've never noticed much change, and on a mostly-stock vehicle you won't see much in the gains department.
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Old 05-24-2013, 10:50 PM
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I do plan on getting a superchip and air intake soon. So if i wont gain a hole lot. Would that be the same as switching to duals???
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Old 05-24-2013, 11:02 PM
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Again, duals aren't much benefit over an upgraded y-pipe and good muffler. The only thing that changes is the exhaust tone and that is completely subjective.
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