3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

louder with cat or without?

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Old Dec 7, 2008 | 08:03 AM
  #1  
dodgemaniac's Avatar
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louder with cat or without?

i have the stacks on my truck now and its just not as loud as i want or think it should be. i still have the factory cat on as well

i was thinking i could remove or put a strait piece of pipe through the cat and it would be louder. but i had a friend of mine tell me it would actually be quieter if i did this and should just keep it there

my question is would it be louder with the cat there or with a piece of pipe in it?
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Old Dec 7, 2008 | 08:26 AM
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definatly louder withOUT the cat.
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Old Dec 7, 2008 | 08:56 AM
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It will be about twice as loud w/o the CAT...
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Old Dec 9, 2008 | 01:30 PM
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will removing the cat void the warranty?
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Old Dec 9, 2008 | 02:29 PM
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yes, most mods will void your warranty. Some may argure diffrently, but when your satanding in a service bay and have just been told it's been voided, then it's all over but being told you play you pay.
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