GSM Midpipe - Anyone get this installed yet? - Cherokee SRT8 Forum
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post #1 of 32 (permalink) Old 10-24-2006, 10:33 AM Thread Starter
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GSM Midpipe - Anyone get this installed yet?

I have my supercharger and I ordered the kooks headers and the GSM midpipe.... I wanted to know if anyone has this installed yet?

I think they said it will make my check engine light come one because it removes the cats.

any info?
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post #2 of 32 (permalink) Old 10-24-2006, 10:16 PM
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Re: GSM Midpipe - Anyone get this installed yet?

it will, until you install an o2 sim. i dont even know if anyone has any sims out yet.

Disclaimer: i am not liable for the soreness in the lower back and A@# region after racing that YOU may feel.
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post #3 of 32 (permalink) Old 10-25-2006, 04:56 PM
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Re: GSM Midpipe - Anyone get this installed yet?

i would not recommend you installing a mid pipe without a sim for the check engine light. it has a side effect when the CEL comes up as a couple of tuner who i know have told me. put some race Cats on the mid pipe and save yourself the thing!
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post #4 of 32 (permalink) Old 10-26-2006, 12:53 PM
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Re: GSM Midpipe - Anyone get this installed yet?

Quote:
Originally Posted by srt8suv
i would not recommend you installing a mid pipe without a sim for the check engine light. it has a side effect when the CEL comes up as a couple of tuner who i know have told me. put some race Cats on the mid pipe and save yourself the thing!
GS Motorsports has an O2 Simulator that has been prooven to work for some time now. They have it on their company Jeep I believe. So check them out, I will be able to let you know soon as I am going to be doing that exact same combo.

Mike B. GO Cleveland Clowns, OH
mabosc223@hotmail.com
06' Bright Silver GC SRT8
08' GT500
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post #5 of 32 (permalink) Old 10-27-2006, 04:20 PM
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Re: GSM Midpipe - Anyone get this installed yet?

Quote:
Originally Posted by mabosc223
GS Motorsports has an O2 Simulator that has been prooven to work for some time now. They have it on their company Jeep I believe. So check them out, I will be able to let you know soon as I am going to be doing that exact same combo.
Bro,
I have called them last week and they said they are going to ship me one.

I called them Friday, (asking about shippin) and they said: "Ops.. we dont have it at the moment, its available for the LX platform only. sorry"

So basically, they dont have it. make sure when you call them you mention JEEP !!
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post #6 of 32 (permalink) Old 10-27-2006, 04:26 PM
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Re: GSM Midpipe - Anyone get this installed yet?

Quote:
Originally Posted by srt8suv
Bro,
I have called them last week and they said they are going to ship me one.

I called them Friday, (asking about shippin) and they said: "Ops.. we dont have it at the moment, its available for the LX platform only. sorry"

So basically, they dont have it. make sure when you call them you mention JEEP !!

Correct, the O2 SIM from GSM only works for LX models. People on the blue site have tried implementing them on the GC with no avail.
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post #7 of 32 (permalink) Old 11-01-2006, 06:59 AM
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Re: GSM Midpipe - Anyone get this installed yet?

I wouldn't recommend doing this mod for reasons already stated. This isn't the best place to make any performance gains. MHO A PCM Re-Flash can far exceed exhaust mods. Timing and Fuel Map changes can really help but these are dependant on Atmospheric Conditions therefore a tuneable PCM is the ticket. (tune to the day) Several Companies are looking into designing one for the 6.1 Hemi? When? Be Patient? The JGC is unique as stated as it has several other computers it is linked to so changing one doesn't always work. I'm trying to work with some PCM Software engs to find the answer? Another Opinion of Course. TC Gene
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post #8 of 32 (permalink) Old 11-01-2006, 07:56 AM
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Re: GSM Midpipe - Anyone get this installed yet?

Gene,
I agree with you 100%.
please keep us posted
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post #9 of 32 (permalink) Old 11-01-2006, 09:06 AM
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Re: GSM Midpipe - Anyone get this installed yet?

i'm no automotive engineer, but here's my opinion on the matter

taking this mod from a HP per dollar standpoint, maybe a high flow midpipe will only net you 5-10hp on an NA car, which IMO would not make sense to goto all this trouble. HOWEVER, once you start running out of airflow mods to do, the midpipe might be a good move.

airflow mods tend to be hindered by the weakest link (the worst flowing component in the chain). for somebody that has intake, head work, headers, and catback exhaust, this might be the last piece of the puzzle to maximize their intake/exhaust flow. followed up by a good tune from a tuner module like you mentioned (damn i wish it were that easy on Japanese cars) should give really nice gains i would think.

i certainly don't expect everyone to agree with me, and i will admit that 90% of my experience in these matters is related to late model Nissan/Infiniti products (where squeezing every little bit of whp out of a high compression naturally aspirated V6 was a challenge... but i know what it's like to be hindered by a mettlesome computer)

Last edited by SI_G35Coupe; 11-01-2006 at 09:09 AM.
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post #10 of 32 (permalink) Old 11-01-2006, 10:39 AM
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Re: GSM Midpipe - Anyone get this installed yet?

I dont know how the mid pipe sounds on the Jeep but on any Mustang the Mid pipe changes the entire sound of the exhaust. A Jeep with headers, mid pipe and mufflers would make anyone jump out of their seat! And all you need to get rid of that check engine light is about $10 in parts from Radioshack.
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