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Discussion Starter · #1 ·
Will putting a 4" turbo back exhaust system with cat delete through a CEL?
 

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Discussion Starter · #3 ·
That was what I was hoping to hear. The reason I asked was because the guy at the local exhaust shop stated I would through a CEL because the system would not have enough back pressure. And the EGR would not function properly, resulting in a CEL.
 

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That was what I was hoping to hear. The reason I asked was because the guy at the local exhaust shop stated I would through a CEL because the system would not have enough back pressure. And the EGR would not function properly, resulting in a CEL.
thats total bs it will not throw a code diesels dont need back pressure
 

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actually from what I understand there is some truth to that (on 6.0's), the egr/vgt system or something like that but it isn't a very common problem...... I would not worry about it too much :thumb:
 

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I was told that it can but not will.. Haven't seen one yet with my straight pipe .
 

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i have a straight pipe too. i dont have any problems.
 

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it's spelled THROW, fyi.
 

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arrrgghhhh. let's discuss the epa banning dpf delete tunes or some random BS malarky like that.
 

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I would but it won't let me since I'm not a premium member anymore.
 

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i got TB w/cat delete and no codes

sounds good tho
 
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