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Discussion Starter #1
Does anyone know if you need to remove the cats when you install this?

Can the stock mufflers and/or header be used or do they need to be replaced too?>
 

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It replaces the H pipe, so yes you remove the cats becosue the CATs are on the H pipe. Bolts right in place....

Doug
 

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If you want details on the Pro-chamber install check out the project Bullitt on www.stangnet.com for pics. They picked up a few horsepower with this mod.

Since you are eliminating the cats, you will need a set of MIL eliminators to prevent the dreaded "check engine" light.
 

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Discussion Starter #5
if i remove the cats will i pass inspection?

how much are these mil eliminators and where do i get them?

who makes them?
 

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Discussion Starter #6
i tried to find the pro m install on stangnet and could't find it
 

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If you remove the cats you will not pass inspection. For one, the visual and secondly the excessive readings from the exaust. You may be able to find a place that would pass you, if the money was right.
 

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Discussion Starter #8
if that is the case it won't be worth the hassle for me

nj is tough with inpection
 
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