Straight Pipe 6.7
#23
No,,,, It will de rate. I have been there, done that. It isn't as bad as limp mode, but it still sucks. Enough to make me put the DPF back on and find another way.
#24
Whether or not if you get the Cat Full Message depends on what flash is on your truck and or if you are using a Down loader like the bully dog. IF you have AV flash or newer you will get the Cat Full Message. IF you have the AU and older you will not, but if you have the AU and the Power Pup WITH version Software 2.14 or 2.15 you will get the Cat full Message. IF you are running 2.13 on it along with the AU you will not get the Cat Full Message. Thats speaking for the 07.5. I an not sure but i think the 08's get the Cat full Message.
I hope this clears things up a bit.
There is a huge difference in sound from the 4" tbe to the 5" tbe on the 6.7. It sure does make a difference if you use Stainless Steel or Alumized Steel for the Exhaust. the 5"tbe SS has a much louder deep sound, much deeper than a 5.9. Pretty much that sound most people look for. Buts it not as loud as a 5.9
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Longhorn (03-31-2008)
#28
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