If your bronco comes stock with two catalytics converters, if you leave the one and delete the other would it still pass inspection.

 

Yes, modern cats. combine the functions of the older two-stage cat setup. (Of course if you live in CA there is no guarantee the ****'s that run the CARB will pass it on visual inspection).

 

so if i took off the two stock cats and got an improved new cat for my 96 it would pass ?

 

no, your system is OBD-II and the computer will not operate properly. you have 2 sensors before the cats and 1 after the cat.

any obd-I setup would be fine though

 

Should have qualified my response... yeah, 96 is the exception to the rule in this case.

 

No. You cannot remove any emission part and pass inspection. If it came with it, it has to be on it for inspection.

 

I know your's is a '96, but for the record:

I have a '91, replaced my two with one, and it's passed three years running in Nevada.

 

Most inspectors probably wouldn't know how many to look for unless they look it up somewhere. Depending on your state and inspector, it may or may not pass.

Stuff like this is why I've always stuck with non-smogged cars. No hippies making my life more complicated!

 

What about replacing the two stock cats with two high flow cats? They will still be a lot less restrictive than the stock ones, and as long as the O2 sensors are remounted back into the same general area as they were originaly there shouldn't be a problem..........

 

i wouldnt think it would be a problem but the cats are pricey.i dont look forawrd to buying two when the time comes.

 

It's acutally listed on the emissions label on the fan shroud.

 

Damn emissions guys gotta take the fun out of everything! Although I think mine's faded out anyway since I've never seen it on mine.

What about running duals with one converter each, would that pass (in Texas)? That's the setup I was thinking about on mine.

 

You'll have to have an O2 sensor on each side as well as a "H" pipe or "X" pipe linking the two sides of the engine together. Basically if you keep both sides the same from the block to the tips, I don't think you'll have a problem.

 

Plan is to cut off right in front of the first cat, and run duals from there back. Stock O2 sensor, its location, and the H-pipe there will remain factory. Sounds like it'd work though, thanks

 

As far as I know, if your rig came with single exhast, it must stay single exhast. Reason is the O2 sensor and the calibration of the computer reading it. If you take a single to dual the sensir is now reading half the levels.