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      10-15-2021, 10:14 AM   #1
mike@x-ph.com
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Talking Valvetronic Bmw M3/M4 G8x Exhaust System **NEW PRODUCT**

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*SYSTEMS ARE ON PREORDER AND SHIPPING IN THE NEXT 4-6 WEEKS AS WE WORK TO FULFILL ORDERS!*

Besides the quite strange grille setup, the G80 is a killer new M car, but like most, the sound is lacking. The Factory exhaust for the New G80 /G82 BMW M3/4 does not deliver the goods. We fix that with our single 3.5 inch mid-pipe. This mid-pipe incorporates an equal-length design that allows for a very enjoyable high pitch sound experience without having to modify your OEM rear section. This mid-pipe connects to OEM downpipes or free-flow front pipes if you choose to upgrade. It will not throw a check engine light and can be combined with any aftermarket axle-back. It's time for you to take control of your M3 or M4 sound experience with our mid-pipe. Never settle for anything but the best.

In addition to our mid-pipe, the system can be optioned with our Axleback for added sound and performance gains. Constructed a T304 stainless, this system utilizes our familiar quad chambered muffler design in order to offer a very flexible sound experience for the G80 M3 and M4. The system runs 2.75 inches all the way back and is optimized for the best flow characteristics to improve sound and improve power through the rev range. To finish off the system, a beautiful set of double-layered tips come standard.

It's time to take your sound experience to the next level on your G80. At Valvetronic Designs, we do not compromise. Neither should you.

Features of this Exhaust Upgrade

Constructed from T304 Stainless Steel
24.7 lbs Lighter than the factory exhaust
Fully Mandrel bend for maximum flow
Exhaust valve integration into OEM valve connections
Beautiful set of exhaust tips
Precision tig welds for high strength
100% REVERSABLE, always able to go back to stock at any time
Connects to OEM downpipes













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      10-15-2021, 11:38 AM   #2
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Few questions:

1. What is the cost?

2. Is there a link to pre-order?

3. How tame will this run on the comfort modes; i.e. is it daily driver liveable without pissing off the neighbors?

Thanks!
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      10-15-2021, 11:43 AM   #3
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Any Axle Back only videos???
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      10-15-2021, 12:04 PM   #4
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I'm still waiting on my midpipe I ordered alittle over 5 weeks ago. Any word on midpipes I haven't heard in update in about 3 weeks?

Can you buy this axleback seperate if you already purchased the midpipe?

Is the 24.7 weightloss the total amount including the midpipe?
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      10-15-2021, 01:39 PM   #5
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theres no audio/video of the full system yet. Only midpipe/downpipe it seems. Can't wait for setup...
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      10-15-2021, 01:42 PM   #6
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Quote:
Originally Posted by liquid_doji View Post
theres no audio/video of the full system yet. Only midpipe/downpipe it seems. Can't wait for setup...
Found this which appears to be oem primary and secondary cats and then the aftermarket system with the cans--- bit raspy

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      10-15-2021, 09:08 PM   #7
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The video in OP's post is not the sound of the full exhaust. If you read the description in the video, it's midpipe and catless downpipes which was posted like two weeks ago. Below is the official link to the full exhaust sound from Valvetronic's instagram which was released today.

https://www.instagram.com/reel/CVEKK...dium=copy_link

I'm still leaning towards the Remus Race catback exhaust. It has a much deeper tone. Would like to hear some drive by videos of the valvetronic exhaust before I finalize.
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      10-15-2021, 11:19 PM   #8
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Quote:
Originally Posted by iviegatron View Post
The video in OP's post is not the sound of the full exhaust. If you read the description in the video, it's midpipe and catless downpipes which was posted like two weeks ago. Below is the official link to the full exhaust sound from Valvetronic's instagram which was released today.

https://www.instagram.com/reel/CVEKK...dium=copy_link

I'm still leaning towards the Remus Race catback exhaust. It has a much deeper tone. Would like to hear some drive by videos of the valvetronic exhaust before I finalize.
Sounds a bit.. underwhelming? Damn, I'd love to hear the full Valvetronic catback + a catless downpipe. I'm going to message them and ask if the axle back makes that much of a difference in sound as G80_Soom's M3 already sounds roudy as hell.
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      10-16-2021, 12:53 AM   #9
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Forged carbon looks sick.
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      10-17-2021, 11:42 AM   #10
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Quote:
Originally Posted by iviegatron View Post
The video in OP's post is not the sound of the full exhaust. If you read the description in the video, it's midpipe and catless downpipes which was posted like two weeks ago. Below is the official link to the full exhaust sound from Valvetronic's instagram which was released today.

https://www.instagram.com/reel/CVEKK...dium=copy_link

I'm still leaning towards the Remus Race catback exhaust. It has a much deeper tone. Would like to hear some drive by videos of the valvetronic exhaust before I finalize.
Thank you for sharing the clip
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      10-17-2021, 12:44 PM   #11
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Here's a drive by video of the full exhaust sent to me by valvetronic. Sounds quiet to me. Interested to see what others think.

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      10-18-2021, 12:54 AM   #12
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Here's a clip from their Instagram with a catless dp:

https://www.instagram.com/reel/CVJgYIKpbNv

Not too sure how I feel, but it might've become too raspy in the process. I've been debating on catless vs. catted downpipes and maybe the answer is catted dp + this full exhaust. Hopefully there's more clips soon, sounds pretty aggressive.
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      10-18-2021, 12:55 AM   #13
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I'm interested in the full system not in any rush will wait for a sale and pull the...
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      10-18-2021, 09:12 AM   #14
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[QUOTE=mike@x-ph.com;28145079]



Hi Mike,

Are the tips actual forged carbon or just made to look like it. Also Is there other options for tips. Like a standard carbon
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      10-18-2021, 10:20 AM   #15
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[QUOTE=ROBERT1183;28153973]
Quote:
Originally Posted by mike@x-ph.com View Post
Hi Mike,

Are the tips actual forged carbon or just made to look like it. Also Is there other options for tips. Like a standard carbon
I think it's just the finish
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      10-20-2021, 05:54 PM   #16
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Another video posted by valvetronic. Can't help it notice how quiet the exhaust sound in the drive by. The midpipe alone sounded louder than this.

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      10-20-2021, 05:56 PM   #17
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Quote:
Originally Posted by iviegatron View Post
Another video posted by valvetronic. Can't help it notice how quiet the exhaust sound in the drive by. The midpipe alone sounded louder than this.

I believe this is caused due to this video filmed on an iPhone and all others filmed on a Gopro w/ Media Mod which picks up sound much better as the vehicle drives further away from the camera.
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      10-20-2021, 06:05 PM   #18
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Just seems to me the midpipe is way better. All around sounds better. Pairing with a dp should be the right call here. Saw the ig post with full catback on the white m4, wasn't impressed at all. Too much rasp
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      10-20-2021, 06:51 PM   #19
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Attaching camera with microphone on the car as you drive would be great clip.
I would not put exhaust on concrete flor.
Cardboard would be better
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      10-20-2021, 07:12 PM   #20
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With catless downpipes. The burbles at slow speed are monstrous.

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      10-20-2021, 07:50 PM   #21
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Quote:
Originally Posted by McIntoshMotorSports View Post
Quote:
Originally Posted by iviegatron View Post
Another video posted by valvetronic. Can't help it notice how quiet the exhaust sound in the drive by. The midpipe alone sounded louder than this.

I believe this is caused due to this video filmed on an iPhone and all others filmed on a Gopro w/ Media Mod which picks up sound much better as the vehicle drives further away from the camera.
I suspected that might be the reason. You would think there would be better videos out there if you're trying to promote a new product. Sigh...
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      10-20-2021, 09:03 PM   #22
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Quote:
Originally Posted by 02M3ForMe View Post
With catless downpipes. The burbles at slow speed are monstrous.

Too much rasp man.. have you seen valvtronic midpipe with DP's video from Gsoom? Sounds so much better
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