LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

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Old Oct 10, 2008 | 12:56 AM
  #1  
01quadcab's Avatar
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Diesel Bomber
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From: Shingletown ca
Default 03 question

ok a buddy wants a 4" turbo back for his dmax but will this cause any codes because it has a cat and that will be gone?
 
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Old Oct 10, 2008 | 09:05 PM
  #2  
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Nope.

And also Im sure you already know this but if you dont turbo back on a Dmax means downpipe back.
 
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Old Oct 10, 2008 | 09:15 PM
  #3  
2500HeavyDuty's Avatar
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Originally Posted by durallymax
Nope.

And also Im sure you already know this but if you dont turbo back on a Dmax means downpipe back.
x2
 
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Old Oct 12, 2008 | 03:55 PM
  #4  
01quadcab's Avatar
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thanks guys I did not know that the dmax are downpipe back as I know more about the 2nd gen dodges and not much on the dmax.
 
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