down here in central TX we dont have to get emissions done on anything, I'm not a fan of straight pipes, but we have alot of guys running them on diesel trucks and nothing gets said. I think somebody is pulling your wife's chain.

 

I remember reading that the texas code acknowledges the turbo as a "muffler"...and straight pipes are legal...

As far as emissions, that "could" be construed as Federal (USEPA).

 

thank god shes not out here in california theyll write a ticket for anything but as far as texas goes know that you could kill someone and as long as you had a reason they wouldnt say a thing

 

as long as it has a turbo it is not straight piped by texas standards. just has to be be hind the cab.

 

i would htink not. as long as its registered and licensed in iowa, i dont think they can. but who knows, texas is like their own country. i wouldnt think so though

 

I'm straight piped in California, they don't smog diesels out here. The diesels are by no means noisy in the midst of straight piped Harleys and the kiddy cars with the boom boom music. Our lift laws are strictly enforced, but mostly in extreme cases.

 

they do smog 07 and up diesels in california

 

Federal emissions equipment (including your Cat) has always been illegal to remove (in any state. But whether they check or not is up to the state. Opacity checks for smoke are used to check for excessive smoke, but true tailpipe sniffing smog checks probably won't happen at all. The opacity and visual checks will shut down most of the diesels that smoke excessively and unnecessarily.

Smog Information
Currently, smog inspections are required for all vehicles except diesel powered vehicles, electric, natural gas powered vehicles over 14,000 lbs, hybrids, motorcycles, trailers, or vehicles 1975 and older.

Diesel Vehicle Smog Check Inspections Workshop Report - Bureau of Automotive Repair
Assembly Bill 1488 (Mendoza, Chapter 739, Statutes of 2007) requires the Bureau of Automotive Repair (BAR) to include in the Smog Check Program, by January 2010, diesel-fueled (diesel) vehicles meeting certain model year and vehicle weight range criteria. This legislation requires the BAR to work in consultation with the California Air Resources Board (ARB) to create the diesel vehicle test procedures, and requires the Department of Motor Vehicles (DMV) to work in consultation with the ARB to identify vehicles for inspection.

At a minimum, AB 1488 requires that 1998 and newer vehicles with a gross vehicle weight rating (GVWR) of less than 8501 pounds be included in the Smog Check Program. In addition, the legislation requires the inclusion of diesel-powered vehicles less than 14,000 pounds GVWR once DMV determines the best method for identifying these vehicles, and ARB/BAR implement applicable test procedures. After working with the DMV and the ARB, the three agencies agreed that it would be most cost effective to include diesel vehicles up to 14,000 pounds GVWR so that program changes could be made all at once. This will result in significant cost savings to the State because DMV will only have to make changes to the system once, and emission benefits will be realized to the State sooner.

The bill indicates that the test will, at a minimum, consist of visual checks of the emission control systems (ECS), and an On Board Diagnostics (OBD) test. In addition, AB 1870 (Lieber, Chapter 761, Statutes of 2006) requires a visible smoke test.

Like gasoline-fueled (gasoline) vehicles, the newest four model-years will not be required to obtain a Smog Check inspection in order to register a vehicle when ownership changes. However, unlike gasoline vehicles, the newest six model-years of diesel vehicles will be required to obtain a biennial Smog Check inspection. It is estimated that approximately 540,000 diesel vehicles will be registered in California and subject to this program in calendar year 2010. DMV will begin sending notifications in January 2010 to registered owners of diesel vehicles with Vehicle Identification Numbers (VIN) ending in even numbers, and the VINs ending in odd numbers will be sent the following year beginning in January 2011.

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I wouldn't worry about it if you're over 8,501 lbs gross, they're not included (yet)

 

i just got mine inspected at allen samuels dodge.
all they did was charge me $7.50 for a safety
inspection. didnt look at anything else except
the safety aspect of the truck. asked about
what would happen if i wanted to do a 5" tbe
straight exhaust and they head inspector manager
said that it would be no issue. he even said that the
" cat " on the 04.5 and up ( excluding the 6.7 ) was
a resonator, not a converter. i always thought it
was one...

 

my 96 12ver i had the exhaust cut all the way to under the passenger seat and could black out a stop light and once again keep it on the down low