Exhaust questions
How many Cats does the truck have stock? (4?)
How close to the manifolds are they? How many O2 sensors? Has anyone installed a longtube setup with 2 hi flow after market cats and then tried to pass a sniffer test? Who makes a cat pipe for use with longtubes? THANKS |
What year is your truck?
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sorry I thought all the 2004-2006 are the same.
I have a 2004 4.6L Reg cab. Also I heard some of the sensors are possibly in the CATS? |
4 cats total.
4 HEGO sensors. 2 between primary cats and manifolds. 2 between primary and secondary cats. As far as the truck computer is concerned you can remove the secondary cats all together, but as far as passing an emissions test... probably would fail. |
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