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2014 Chevy Silverado
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cats (help)

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Old Apr 5, 2008 | 7:25 PM
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4saints4
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Default cats (help)
I would like to know any pros and cons on taking off the cats. will i get more power and sound. I have super 40s so i want more sound.
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Old Apr 5, 2008 | 8:41 PM
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Default RE: cats (help)
You will gain a little bit in power and probably a bit in mpg, but you will need it if you have emissions testing where live.
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Old Apr 5, 2008 | 9:24 PM
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Default RE: cats (help)
I don't have emissions testing yet. I would keep them just in case they change the law. Then i would put them back on. How much do you think I'll gain.How about the sound? 2000 chevy silveradoZ71 stepside
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Old Apr 5, 2008 | 9:59 PM
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Default RE: cats (help)
Not sure the numbers, but you will see results. No cat will give you less back pressure, therefor increasing HP and MPG.
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Old Apr 6, 2008 | 12:16 AM
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Default RE: cats (help)
That will for sure give you a better sound. Another good addition would be headers to give it a sound with more destinct stroke sounds, almost like a drag car.
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