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      12-22-2012, 04:18 AM   #1
Skooterbrah
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AR design xpipe & connecting pipes w/ AR design oem muffler mod.

Just picked my car up from AR Design. Had them fab up a Xpipe/connecting pipe today. New sound is ridiculous!!!! Pretty mellow riding around in the cabin, but once you open it up.... Sweet baby Jesus... I may have him weld in some resonators.




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      12-22-2012, 04:29 AM   #2
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Quote:
Originally Posted by Skooterbrah View Post
New sound is ridiculous!!!!
Totally agree
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      12-22-2012, 12:25 PM   #3
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Sounds nuts!!

Any photos of the XPipe?
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      12-22-2012, 01:26 PM   #4
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Quote:
Originally Posted by flipm3 View Post
Sounds nuts!!

Any photos of the XPipe?
I think i have a shot of it mid-fabrication. Lemme see if I can find it.

*edit* mid fab

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Last edited by Skooterbrah; 12-22-2012 at 01:45 PM.
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      12-22-2012, 01:31 PM   #5
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onramp vid

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      12-22-2012, 03:07 PM   #6
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Beautiful welds & it's a great sounding piece. The X-section looks awesome
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      12-22-2012, 05:39 PM   #7
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Just got back from the dyno... Holy shit is all i can say....

one run is stock exhaust w/ filter
other run is AR Design full exhaust w/ filter

Keep in mind these runs are up in Colorado, so gonna be lower then sea level obviously
HUGE gains through the whole powerband. 35.5hp and 34 peak tq w/ 40+tq under the curve at spots.

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      12-22-2012, 07:31 PM   #8
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Nice gains. Is AR getting into theM3 exhaust game now, or is this a one off piece?
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      12-22-2012, 09:58 PM   #9
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Looks like a Magnaflow 642-10781 x-pipe section, $96 from Jegs. Put two resonators in it if you want it to be civilized. If you are a young man who wants a mating call, leave it as it is. Have fun. An x-pipe made a huge difference on my car, but I am an old married man and have four resonators.
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      12-25-2012, 01:46 PM   #10
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Quote:
Originally Posted by pbonsalb View Post
Looks like a Magnaflow 642-10781 x-pipe section, $96 from Jegs. Put two resonators in it if you want it to be civilized. If you are a young man who wants a mating call, leave it as it is. Have fun. An x-pipe made a huge difference on my car, but I am an old married man and have four resonators.
I don't mean to derail the thread too much.

I came across that Magnaflow 10781 online in the past. How are the internals of the XPipe itself? Do they flow fairly well compared to having an experienced fabricator weld their own from 2 or 4 individual pipes?
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      12-26-2012, 07:36 PM   #11
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Quote:
Originally Posted by pbonsalb View Post
Looks like a Magnaflow 642-10781 x-pipe section, $96 from Jegs. Put two resonators in it if you want it to be civilized. If you are a young man who wants a mating call, leave it as it is. Have fun. An x-pipe made a huge difference on my car, but I am an old married man and have four resonators.
We hand fabricate the collectors. We do NOT use a stamped Magnaflow collector.



It was a one off..... But we may consider producing it. We will offer a resonated version if we do. M's car also had a muffler mod, it would be quite a bit mellower with an unmodified rear section.

Also of note, the car was UNTUNED for both pulls.
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      12-26-2012, 07:53 PM   #12
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      12-26-2012, 08:05 PM   #13
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AR makes super quality stuff..just wish their prices were a bit more reasonable.
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      12-26-2012, 08:26 PM   #14
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Nice gains!!
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      12-26-2012, 08:57 PM   #15
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What kinda prices are you talking with a quad resonated x pipe with test pipes from the front
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      12-27-2012, 10:00 AM   #16
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Quote:
Originally Posted by Skooterbrah View Post
Just picked my car up from AR Design. Had them fab up a Xpipe/connecting pipe today. New sound is ridiculous!!!! Pretty mellow riding around in the cabin, but once you open it up.... Sweet baby Jesus... I may have him weld in some resonators.
Nice stuff OP...you will scare small children with that exhaust =)
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Last edited by Mmmdreamer; 12-27-2012 at 10:00 AM. Reason: remove vids
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      12-27-2012, 11:52 AM   #17
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      12-27-2012, 01:00 PM   #18
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Quote:
Originally Posted by cntgetm3 View Post
What kinda prices are you talking with a quad resonated x pipe with test pipes from the front
Quote:
Originally Posted by ar design View Post
So do you accept big grins as a form of payment..lol
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      12-27-2012, 01:00 PM   #19
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Not at this time

If/when we bring them to production I will get you guys some pricing
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      01-07-2013, 04:26 PM   #20
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Any updates if this will go into production?
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      01-07-2013, 05:11 PM   #21
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Man those welds are just amazing!
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      01-08-2013, 11:59 AM   #22
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