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-   -   Trying to Install (http://www.focusfanatics.com/forum/showthread.php?t=302602)

marcanjelo7 11-19-2012 05:10 AM

Trying to Install
 
I am trying to install my highflow cat with my shorty header. I am in need of a second opinion. Long story short I took this cat to a muffler shop and they told me it was the wrong one. I know it has no bungs for the egr or o2 sensors, thats why I am thinking they said it was the wrong one. I need to know if anyone has done this, added this cat with there shorty header. I heard of the egr delete and I am on tom's tune. Before the tune i was throwing p0420 so i ended up buying this cat. Got tuned so really didnt need to install. But now i want to install because I already paid for it, why not right? So I don't really understand why I couldn't get this installed. Should I take it to another shop? I really want to take the svt header route but had no luck in selling this cat so I want to try and install this. Do i need my egr or o2's plugged in? Any feedback would be appreciated. Thanks a million!!http://img.tapatalk.com/d/12/11/19/yjysyna2.jpg

Magus2727 11-19-2012 07:48 AM

you are in CA.... its not the shop. unless it says its 50 state legal, which I doubt it is. you still have the issue the shop could loose its business license if it installs it and or also helps in removing the EGR. In CA dont you have to show that the old cat was bad to replace it? and it has to be same size and installed in the same location?

marcanjelo7 11-19-2012 10:17 AM

The cat is carb legal http://img.tapatalk.com/d/12/11/19/pyza9u6a.jpg I'm just not sure since it wasn't a direct fit cat they didn't want to mess with it..

marcanjelo7 11-19-2012 10:20 AM

I think they do have to see a check engine but I could just take the tune off.

zetecDon 11-19-2012 11:49 AM

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.

marcanjelo7 11-19-2012 12:40 PM

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?

Magus2727 11-19-2012 12:57 PM

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.

marcanjelo7 11-19-2012 01:37 PM

Quote:

Originally Posted by Magus2727 (Post 4461966)
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?

BigRed03 11-19-2012 05:37 PM

woulda been easier to just go to FSW or CFM and buy a 50 state legal, ready made for your car, cat.

Magus2727 11-19-2012 07:51 PM

^^^ 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.


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