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Topic Review (Newest First)
11-20-2012 03:23 AM
marcanjelo7
Quote:
Originally Posted by Magus2727 View Post
^^^ this. The second 02 just does a comparison between the per cat. Its to measure if the cat is working. To my understanding it does not play in any way to fuel mapping or anything else except if the CAT is working. You can get 02 bungs from shops to weld in. The EGR is harder unless you canabolize it off your old system. Its a weird thread type to match up. The bung just gets installed before and after in the welded on straight pipe sections.
cool i knew the shop didn't want to mess with it..thanks for the help guys hopefully I can get this to another shop who can do this for me I don't see anything that should put their business at risk.. with adding the bungs and all hopefully this should work!
11-20-2012 03:16 AM
marcanjelo7
Quote:
Originally Posted by BigRed03 View Post
woulda been easier to just go to FSW or CFM and buy a 50 state legal, ready made for your car, cat.
yea I know just tryin to make it work with what I got..
11-19-2012 07:51 PM
Magus2727 ^^^ this. The second 02 just does a comparison between the per cat. Its to measure if the cat is working. To my understanding it does not play in any way to fuel mapping or anything else except if the CAT is working. You can get 02 bungs from shops to weld in. The EGR is harder unless you canabolize it off your old system. Its a weird thread type to match up. The bung just gets installed before and after in the welded on straight pipe sections.
11-19-2012 05:37 PM
BigRed03 woulda been easier to just go to FSW or CFM and buy a 50 state legal, ready made for your car, cat.
11-19-2012 01:37 PM
marcanjelo7
Quote:
Originally Posted by Magus2727 View Post
Necessary or legal? You only "Need" one O2 the O2 between the CAT and the head. you don't need the other O2 or the EGR. However, it is illegal to remove emission devices from a registered street vehicle. That includes the EGR and second O2.

Some shops will do work for you and others may not. I am not sure how the laws work for shops that work on a vehicle but I would think they may have some liability.

Usually people will do a O2 sensor eliminator "hack" this is usually concealed better than completely having no O2 because during a physical inspection any slightly knowledgeable car guy is going to know you need a pre CAT and post CAT O2 sensor and when they see no sensor they are more likely to look deeper than if they an O2 wired up. Same can be said for the EGR. If people know what they are looking for and know the focus engine bay its fairly obvious the moment you open the hood if you removed your EGR or not. However you can always hook it up and just disable it via software also.

I am a person who likes to leave the hardware and its functionality available so in the event something is about to happen I can flash it back to stock and do a few drive cycles and get it inspected and all is well. Then I can flash it back disable a bunch of stuff and be on my way for another year.

That is the same looking CAT that I used on my 4.0L Jeep Cherokee when I was doing my own custom exhaust. the CAT may be to long to attach a flange, bungs, and start the 90* bend to go under the motor. What is the measured length of the CAT? you need 2-3" at minimum to add the flange to mount to your shortie header and about 4-5" at the bottom for the bend. You also have to consider the depth. How deep is the part? I think the stock CAT has the inlet and outlet offset so it would push the CAT further from the motor towards the radiator.
I appreciate it man. as far as the measurements Ill check on their website. I need the o2 for looks, which I understand is way better than having none for inspection, or do I need it for info for the computer?

So fabrication would make this work like adding a bung for o2 and or egr? is this possible to do add a bung to these cats?
11-19-2012 12:57 PM
Magus2727 Necessary or legal? You only "Need" one O2 the O2 between the CAT and the head. you don't need the other O2 or the EGR. However, it is illegal to remove emission devices from a registered street vehicle. That includes the EGR and second O2.

Some shops will do work for you and others may not. I am not sure how the laws work for shops that work on a vehicle but I would think they may have some liability.

Usually people will do a O2 sensor eliminator "hack" this is usually concealed better than completely having no O2 because during a physical inspection any slightly knowledgeable car guy is going to know you need a pre CAT and post CAT O2 sensor and when they see no sensor they are more likely to look deeper than if they an O2 wired up. Same can be said for the EGR. If people know what they are looking for and know the focus engine bay its fairly obvious the moment you open the hood if you removed your EGR or not. However you can always hook it up and just disable it via software also.

I am a person who likes to leave the hardware and its functionality available so in the event something is about to happen I can flash it back to stock and do a few drive cycles and get it inspected and all is well. Then I can flash it back disable a bunch of stuff and be on my way for another year.

That is the same looking CAT that I used on my 4.0L Jeep Cherokee when I was doing my own custom exhaust. the CAT may be to long to attach a flange, bungs, and start the 90* bend to go under the motor. What is the measured length of the CAT? you need 2-3" at minimum to add the flange to mount to your shortie header and about 4-5" at the bottom for the bend. You also have to consider the depth. How deep is the part? I think the stock CAT has the inlet and outlet offset so it would push the CAT further from the motor towards the radiator.
11-19-2012 12:40 PM
marcanjelo7 That's what I was thinking. When I ordered from magnaflow it showed this was a universal part. Do you know if it's necessary to have the o2's or even the egr?
11-19-2012 11:49 AM
zetecDon It would require some fabrication to make this fit. A lot of shops won't mess with it because there isn't much money to be made in it.
11-19-2012 10:20 AM
marcanjelo7 I think they do have to see a check engine but I could just take the tune off.
11-19-2012 10:17 AM
marcanjelo7 The cat is carb legal I'm just not sure since it wasn't a direct fit cat they didn't want to mess with it..
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