Gutting cats
12-19-2006, 08:58 AM
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Gutting cats How much work is involved in gutting out the cats on a 99 Z28, Do I have to take down the whole stock exhaust, or does the cats un-bolt from the exhaust and worked on ? I'm trying to find a diagram of a exhaust system for the f-body. Thanks for any help
12-19-2006, 11:04 AM
#3
Its not that hard to gut a cat. All you have to have is a pry bar to reach in there and break the packing up. But if you just gut your cat your going to cause turbulance in that area of your exhaust. To properly do this you need to run a straight pipe through the cat. That was it doesn't create unwanted turbulance and from the outside everything looks stock.
12-19-2006, 11:24 AM
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Originally Posted by cwaldt
you need to run a straight pipe through the cat. That was it doesn't create unwanted turbulance.
12-19-2006, 11:29 AM
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Originally Posted by blertawho
have you done this? what size of pipe do you need to run.
12-19-2006, 12:02 PM
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Originally Posted by blertawho
have you done this? what size of pipe do you need to run.
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12-20-2006, 12:23 AM
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Get your cats taken off and take them to your local auto recylcer.
Have pipes welded in their place.
You can get about $100 for those cats. thats what the pay around here.
Have pipes welded in their place.
You can get about $100 for those cats. thats what the pay around here.
12-20-2006, 11:29 AM
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Originally Posted by Jordan S.
Get your cats taken off and take them to your local auto recylcer.
Have pipes welded in their place.
You can get about $100 for those cats. thats what the pay around here.
Have pipes welded in their place.
You can get about $100 for those cats. thats what the pay around here.
I'm in BFE Texas 
12-21-2006, 09:26 AM
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Dont gut your guts unless you run a straight pipe thru them. without a pipe they act as resonators so know you've added 2 resonators to your exhaust and made your flow worse + the smell.
12-23-2006, 01:42 AM
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Originally Posted by 8GTOKLR
Dont gut your guts unless you run a straight pipe thru them. without a pipe they act as resonators so know you've added 2 resonators to your exhaust and made your flow worse + the smell.