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WK1 Troubleshooting / Problems Discussion / Dealer Service If you are having some problems with your Jeep Grand Cherokee SRT8 and need assistance in troubleshooting and diagnosing the problem, this is the proper place to discuss it. Were you treated fairly or poorly at a dealer? Warranty issues? Let us know.

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  #51  
Old 11-24-2012, 08:51 PM
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LASRT LASRT is offline
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Same here in louisana. Rear 02 not plugged up it won't pass.
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  #52  
Old 11-24-2012, 08:53 PM
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meeper meeper is offline
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maybe you can try asking your tuners to delete the rear O2 codes from the ECU and leave the O2s turned on, i dunno
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  #53  
Old 11-25-2012, 09:08 AM
2007srt8 2007srt8 is offline
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I am getting longtubes and here in Vancouver, we have a sniffer and readiness check. Spoke to Johan and he said there was a way to pass with his tune.

Worse case i will put the kooks green cats in as they are the same style of cats as the stock
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Last edited by 2007srt8; 11-25-2012 at 09:10 AM.
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  #54  
Old 11-25-2012, 09:20 AM
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StangSlayerMA StangSlayerMA is offline
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Originally Posted by 2007srt8 View Post
I am getting longtubes and here in Vancouver, we have a sniffer and readiness check. Spoke to Johan and he said there was a way to pass with his tune.

Worse case i will put the kooks green cats in as they are the same style of cats as the stock
Johan said the same thing to the guys out at ESP (my local shop) when they were trying to get the Hennessey Jeep to pass inspection. Johans "way" was to make the rear 02s say "not supported".......which is not legal here in MA. The Hennessey failed the test, and was flagged by the state in the registry computer.
Kooks says the green cats are 98% effective. With my luck, I'll be one of the 2%. $700-$900 is a lot to spend on green-cats, and I'm not even 100% sure it will work.
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  #55  
Old 11-25-2012, 12:50 PM
2007srt8 2007srt8 is offline
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Quote:
Originally Posted by StangSlayerMA View Post
Johan said the same thing to the guys out at ESP (my local shop) when they were trying to get the Hennessey Jeep to pass inspection. Johans "way" was to make the rear 02s say "not supported".......which is not legal here in MA. The Hennessey failed the test, and was flagged by the state in the registry computer.
Kooks says the green cats are 98% effective. With my luck, I'll be one of the 2%. $700-$900 is a lot to spend on green-cats, and I'm not even 100% sure it will work.
Oh boy....will that show up when they plug into the ob2?
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  #56  
Old 11-25-2012, 01:28 PM
JerseyBoy@Stage6 JerseyBoy@Stage6 is offline
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Why don't you just get your factory cats setup with flanges and use them rather then the kooks? They are free and probably more efficient then the kooks anyway. Just a thought....

J
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  #57  
Old 11-25-2012, 01:43 PM
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Why don't you just get your factory cats setup with flanges and use them rather then the kooks? They are free and probably more efficient then the kooks anyway. Just a thought....

J

I have an extra set of Kooks off-road pipes I can use to make a set of mids to pass inspection. I was afraid to cut apart my factoy mid-pipe, because if the truck doesn't pass for some reason, I would have cut up my only means to pass inspection. I also wasn't sure how the funky shaped factory cats would fit under the truck, or if it would just be easier to use 2 brand new cats. My friend owns an exhaust shop, and is a Magnaflow dealer, so I can get 49 state legal cats for cost.

I thoght people had tried welding in legal cats into their LT mids before, and it didn't work.
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  #58  
Old 11-25-2012, 02:56 PM
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Quote:
Originally Posted by StangSlayerMA View Post
I have an extra set of Kooks off-road pipes I can use to make a set of mids to pass inspection. I was afraid to cut apart my factoy mid-pipe, because if the truck doesn't pass for some reason, I would have cut up my only means to pass inspection. I also wasn't sure how the funky shaped factory cats would fit under the truck, or if it would just be easier to use 2 brand new cats. My friend owns an exhaust shop, and is a Magnaflow dealer, so I can get 49 state legal cats for cost.

I thoght people had tried welding in legal cats into their LT mids before, and it didn't work.
Rmon made custom mid pipes with his stock cats to pass...... Use yours and if it does not work and you have to go to back to stock I will loan you my mids with stock cats Phil..... Other option is to buy a used set from someone as they usually go for about 150.00 plus shipping.....
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Last edited by Knuckles; 11-25-2012 at 02:59 PM.
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  #59  
Old 11-25-2012, 06:22 PM
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Rmon made custom mid pipes with his stock cats to pass...... Use yours and if it does not work and you have to go to back to stock I will loan you my mids with stock cats Phil..... Other option is to buy a used set from someone as they usually go for about 150.00 plus shipping.....

The thing is...... if I ever want to sell the truck in MA, it has to pass inspection. So borrowing your mid-pipe would only help me for this inspection. I would then be limited to selling it to someone out of state. I hate to cut up a very expensive mid-pipe, and srew myself in the future.
The stock cats have those offsets at one end, that looks like they would be a pain to work with in addition to their size. Thats why I wanted to see if properly sized 49 state legal Magnaflow cats would work.
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  #60  
Old 11-25-2012, 07:08 PM
JerseyBoy@Stage6 JerseyBoy@Stage6 is offline
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Put the biggest cats on you can fit and call it a day then.

J
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