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      07-21-2021, 02:50 PM   #1
drwankel
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FS: Stock X pipe with welded test pipes

Hi all,

I have a new x pipe I am installing, so as a result I'll be selling my current one.

It is a factory x pipe with the main cats removed, and AA test pipes WELDED in place. (for off road use only)

If you've been considering test pipes, this would be a great buy. Normally test pipes require you to cut off the main cat, and then clamp the test pipes in its place. This clamping method, IMHO, always leaks. Welding the pipes is a far better solution.

The advantage for you, the purchaser, is you can take this as a single unit, and avoid hacking up your factory x pipe, which makes for easy swapping.

I'm asking $350.00. If I cant find a buyer, or someone who is willing to pay enough, I'll simply cut the secondary cats out of the x pipe, and recycle them, and throw the rest away.

Local pickup only. Will not ship.
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      07-21-2021, 03:28 PM   #2
astris
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I have the same setup, and you're right, it always seems like they leak. I switched to OEM style full clamps. Still had to use a v band on the passenger side though.

Wish you had this up for sale before I had mine installed. Good luck!
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      07-21-2021, 04:00 PM   #3
Nebo
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Ugh so tempting
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      08-05-2021, 11:04 PM   #4
E90Freedom
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Interested, PM if still available--
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      08-07-2021, 09:55 AM   #5
drwankel
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Still available, responded to PM. Been super busy and havent had a chance to swap the new x pipe on.
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      08-09-2021, 01:36 PM   #6
mchang
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Is it necessary to code out the cat delete?
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      08-10-2021, 12:08 PM   #7
drwankel
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Quote:
Originally Posted by mchang View Post
Is it necessary to code out the cat delete?
If you dont want a CEL, you will need a tune. You can run the stock tune with this no problem, you'll just have a CEL permanently illuminated. No degradation with performance or fuel economy.
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      08-11-2021, 10:31 PM   #8
astris
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Quote:
Originally Posted by drwankel View Post
Still available, responded to PM. Been super busy and havent had a chance to swap the new x pipe on.
Curious, what x pipe did you end up going with?
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      08-12-2021, 12:01 AM   #9
drwankel
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Valvetronic actually. It has the x moved forward like the bimmerworld and ess x-pipes. Better exhaust scavenging which gives a little more torque, and seems to change the sound to be a bit higher pitched. They also claim they use HJS cats on the catted version. Cost is really good compared to other x pipes, especially the catted version.

I don't have any real data on people running this midpipe, so its kind of a gamble. The formula sounds right. I haven't installed it yet, so I cant say if it delivers in real life.

Only drawback so far is they claimed they were going to put the cats in the secondary position, but put them in the primary position.

https://valvetronic.com/products/e9x-m3-midpipe




I'm trying to replicate the below setup. To me this is the best s65 exhaust note I've ever heard.
It's using a ESS x pipe plus a corsa rear. I already have a corsa rear, and I suspect pairing it with the valvetronic x pipe should yield a similar result. Already sounds great with test pipes.



Last edited by drwankel; 08-12-2021 at 12:24 AM..
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      08-12-2021, 09:00 PM   #10
astris
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Ha, bimmerworld style + catted secondary x pipe is exactly what I've been looking for too! Bummer on the cats moving to the primary. Trying to get away from clamps though too. Would love to know how it turns out!

I'm heavily debating the Bomiz catted x pipe. Basically the same as RPK, but much cheaper. No idea what cats they use through. Anything is better than nothing though.
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      08-20-2021, 09:49 AM   #11
drwankel
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The x pipe is no longer for sale. Due to some issues with the valvetronic x pipe, I'll be keeping my current one. I'll go into details at a later date.
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      09-17-2021, 05:15 PM   #12
drwankel
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Hey all, I'm now able to go into details about what happened with the valvetronic x pipe. I've posted a detailed review here, give it a read if you are curious:

https://www.m3post.com/forums/showthread.php?t=1859463
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      10-02-2021, 11:05 AM   #13
davey gravey
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just bought a 2011 any recommendations on a complete catless exaust.?
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      10-02-2021, 12:29 PM   #14
mapster37
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complete catless exhaust i recommend active autowerke. quality/fitment 100%.
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