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      09-11-2011, 03:25 PM   #1
SOCAL
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FS - OEM modded Mid-Pipe Section - Secondary Cat "gutted"

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I am selling a modified OEM center exhasut section. This is an OEM E92 Coupe exhaust section that has had the secondary Catalytic converters "gutted", in other words, the secondary cat shells are still there, just hollow which allows for significantly more flow while still retaining OEM exhaust fit up, and more importantly, OEM "look" to pass visual emissions inspections.

The O2 sensors are before these secondary cats so the car never even know that they are gone. No fault codes, no problems.

Here is a link to a thread that has some sound clips and vids that were taken when I had this on my car:

http://www.m3post.com/forums/showthread.php?t=536735


Swapped this out on Friday and put my OEM pipe back on to get the old girl ready to sell

It is in perfect shape, the dealer could never tell i had no secondary cats. I meant to have the car dyno'd but never got around to it but I would almost guarantee there is a slight pick up in the top end and the sounds is incredible!!!!


This is an economical and smart way to mod your car. It stays somewhat stock while gaining some great sound and performance. I am only looking to get what money I have into this project.

Asking $300 picked up from me in San Diego, or you can pay shipping.

Located in San Diego - Email me at SOcalsurferx@hotmail.com if interested.

I do not check my PM's very often.







Last edited by SOCAL; 09-13-2011 at 08:50 AM.
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      09-12-2011, 04:49 PM   #2
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bump
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      09-13-2011, 11:49 PM   #3
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how much shipped ?
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      09-16-2011, 12:53 AM   #4
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how much shipped ?
To where?
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      09-16-2011, 07:38 AM   #5
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22032. VA
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      09-16-2011, 07:06 PM   #6
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definitely interested, what are you doing with the rest of your modded exhaust? would be shipping to 75209
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      10-04-2011, 01:57 PM   #7
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      10-04-2011, 05:14 PM   #8
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Arent those 'resonators' and not 'catalytic converters'??
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      10-04-2011, 10:19 PM   #9
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Resonators are at the bottom. 200cpi cats in the middle (gutted here), and 400cpi cats up top by the O2 sensors. That's why he showed the clean welds just above the secondary cats where they cut it open to gut.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      10-07-2011, 12:28 PM   #10
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did you sell this?
Shipped price to 19128
thanks and GLWS
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      10-11-2011, 06:07 PM   #11
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did you sell this?
Shipped price to 19128
thanks and GLWS
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      10-13-2011, 12:36 AM   #12
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Very interested in this. Do you ever some up to OC or Oceanside?
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      10-13-2011, 01:49 AM   #13
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how about smog test? will I pass with gutted 2nd cats?
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      10-17-2011, 03:49 PM   #14
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how about smog test? will I pass with gutted 2nd cats?
I am 99% sure it will pass the CARB emissions (sniffer test) The reason I am so sure of this is I did the same thing on my Audi S4 and it smogged with no problems. It passes visual inspection of course because the midpipe looks 100% OEM. The secondary cat is just there to burn any leftover crap in the exhaust stream that the primary cat didnt burn up, but these engines are so efficient and the primary cat does a great job once the vehicle is up to temp. that the secondary car hardly does anything at all except restrict exhaust flow.
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      10-18-2011, 12:00 AM   #15
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Do you still have this for sale? pm me
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      10-20-2011, 04:00 PM   #16
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