Hey Silvercrew...
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#3
As I've learned over the years...if it came from the factory with mufflers, then it's supposed to still have mufflers...now what you installed to pass inspection would pass as a muffler. But, if ya know the right folks to carry it to and it doesn't have to be hooked to a computer...then ya can get by with almost anything...learned that too.
#4
The problem was I had dual 3" exhaust exiting both sides behind the cab. It failed inspection because it didn't have mufflers, but they didn't care that I dont' have a cat anymore.
I put on a straight piece of 4" pipe with the 4" glasspack on it just dumping out under the bed. They failed it again because they said it needs to exit outside the edge of the vehicle behind the cab.
Now I have the same 4" pipe and glasspack with a 90* turnout exiting behind the cab.
I put on a straight piece of 4" pipe with the 4" glasspack on it just dumping out under the bed. They failed it again because they said it needs to exit outside the edge of the vehicle behind the cab.
Now I have the same 4" pipe and glasspack with a 90* turnout exiting behind the cab.
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#9
Are you sure that it had a cat, not all of these trucks did . my 2000 truck never had a cat but the 07 did. in 2000 only the Cali models had exhaust catalyst but I'm not sure about the OBS trucks. IMHO emissions components on diesel vehicles are completely ignorant. are they needed? yes but the crap that works on a cleaner burning gasser will not work on a good oh sooty diesel IE the EGR valve on the 6.0.
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