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      02-03-2024, 12:43 PM   #1
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Mid-Pipe + Axleback combo

Hi everyone, does anyone have any recommendations for a mid-pipe and axleback combo. I’m definitely feeling the AA single mid-pipe but not sure on the axleback. Some recommendations would be nice.
Thanks
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      02-03-2024, 12:47 PM   #2
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Quote:
Originally Posted by bimmer.D View Post
Hi everyone, does anyone have any recommendations for a mid-pipe and axleback combo. I’m definitely feeling the AA single mid-pipe but not sure on the axleback. Some recommendations would be nice.
Thanks
Im currently as we speak getting my AA single mid installed. I never really decided on an axleback either. I really like AWE but you need a coupler that will connect them because the pipes AA uses differe in size from AWE.
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      02-04-2024, 08:30 PM   #3
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Quote:
Originally Posted by bimmer.D View Post
Hi everyone, does anyone have any recommendations for a mid-pipe and axleback combo. I’m definitely feeling the AA single mid-pipe but not sure on the axleback. Some recommendations would be nice.
Thanks
I would just try the AA Single by itself first. The stock axleback is really good at getting rid of drone. An unresonated AA single midpipe is enough for most. You can always replace the axleback later if you want more volume.
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      02-04-2024, 09:12 PM   #4
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Quote:
Originally Posted by yeetyeet View Post
Im currently as we speak getting my AA single mid installed. I never really decided on an axleback either. I really like AWE but you need a coupler that will connect them because the pipes AA uses differe in size from AWE.
What did think?
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      02-04-2024, 09:15 PM   #5
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Originally Posted by anthemavm View Post
What did think?
Absolutely great. Eventually I will get an axleback, but this was a phenomenal starting point. It sounds perfect for the slight modification it is, really opened the car up.
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      02-05-2024, 11:50 AM   #6
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Resonated single midpipe + Active Autowerke axle back is one of the most popular setups.

It's tough to name the best comb as exhaust sound is so subjective, but i feel that this setup is on everyone's top 5
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      02-05-2024, 03:00 PM   #7
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Quote:
Originally Posted by bimmer.D View Post
Hi everyone, does anyone have any recommendations for a mid-pipe and axleback combo. I’m definitely feeling the AA single mid-pipe but not sure on the axleback. Some recommendations would be nice.
Thanks
Our combo is going to be hard to beat with a price well below $2500 for the full system. We offer a resonated and a non resonated single midpipe that can be used with the stock exhaust or our rear muffler as well.

Midpipe - https://mad-us.com/mad-bmw-g8x-m3-m4...race-included/

Axle back - https://mad-us.com/mad-bmw-m3-m4-g8x...-back-exhaust/

If you are looking for something little more aggressive you can always add one of our many downpipe choices we have available.




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Last edited by Info@mad-us.com; 02-06-2024 at 03:24 PM..
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      02-06-2024, 01:51 PM   #8
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Quote:
Originally Posted by Berzerker View Post
I would just try the AA Single by itself first. The stock axleback is really good at getting rid of drone. An unresonated AA single midpipe is enough for most. You can always replace the axleback later if you want more volume.
I vote this as well
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      02-07-2024, 10:21 AM   #9
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Quote:
Originally Posted by Wtfitzvi View Post
I vote this as well
Cant go wrong with the single midpipe
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      02-10-2024, 09:06 AM   #10
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I have a Valvetronic Equal-Length Midpipe paired with an Akrapovic Slip-on.

I believe it's one of the best-sounding exhaust setups for a factory twin-turbo S58. It significantly smoothens the tone. The only downside is the Akrapovic costs an arm and a leg for just an axle-back system. Luckily, I was able to find mine used.


https://www.instagram.com/reel/C3KmZ...a3NnOHB2MXU5dg




Last edited by jamabdi; 02-10-2024 at 08:54 PM..
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      02-10-2024, 09:02 PM   #11
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Quote:
Originally Posted by Chi58 View Post
Sound is subjective and personally that sounds bad.
Yeah, I'm not completely satisfied with the sound either. The equal-lengths don't seem to fully get rid of the raspy weed wacker sound, they just mitigate it. I'd ideally want a sound similar to what a single turbo S58 makes.



What do you think of the exhaust sound in the instagram clip?

https://www.instagram.com/reel/C3KmZ...a3NnOHB2MXU5dg
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      02-12-2024, 10:39 AM   #12
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Quote:
Originally Posted by jamabdi View Post
Yeah, I'm not completely satisfied with the sound either. The equal-lengths don't seem to fully get rid of the raspy weed wacker sound, they just mitigate it. I'd ideally want a sound similar to what a single turbo S58 makes.
Unless you go with a single turbo, the goal you are aiming for is impossible to reach. I recommend you set a different goal, or you will never be happy with the exhaust setup.

I personally like the single midpipe with axle back combo (the Instagram clip you showed is one example of such a setup). And if you are aiming for a more aggressive sound, get the resonated single and add catted downpipes.
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      02-19-2024, 10:30 AM   #13
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How much sound does an aftermarket axel back really add? From what ive read the bulk of the tone and sound change comes from just changing out the midpipe. Im looking to pair the AA Equal-Length Mid Pipe with their GEN 2 axleback , but im unsure if the axleback is worth it. Any guidance would be appreciated.

For reference on my m2 and x3m im running the AA Single midpipe on both and am pretty happy with the sound just wish they were both louder.
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      02-19-2024, 11:37 AM   #14
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Quote:
Originally Posted by 2SG5 View Post
How much sound does an aftermarket axel back really add? From what ive read the bulk of the tone and sound change comes from just changing out the midpipe. Im looking to pair the AA Equal-Length Mid Pipe with their GEN 2 axleback , but im unsure if the axleback is worth it. Any guidance would be appreciated.

For reference on my m2 and x3m im running the AA Single midpipe on both and am pretty happy with the sound just wish they were both louder.
if you already have the midpipe and you ant more sound, the axle back is the next best option. its certainly a noticeable upgrade and in my opinion, it's well worth it.
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      02-19-2024, 12:36 PM   #15
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Quote:
Originally Posted by 2SG5 View Post
How much sound does an aftermarket axel back really add? From what ive read the bulk of the tone and sound change comes from just changing out the midpipe. Im looking to pair the AA Equal-Length Mid Pipe with their GEN 2 axleback , but im unsure if the axleback is worth it. Any guidance would be appreciated.

For reference on my m2 and x3m im running the AA Single midpipe on both and am pretty happy with the sound just wish they were both louder.
It depends on the design of the axle back and the size of the muffler used.

The design of the muffler connecting pipes can alter volume by how much flow goes through the muffler when the flaps are open. Some will be 100% while others will be closer to 70% reducing volume and changing tone.

If the quietness matters when the valves are closed the muffler size will also dictate how quiet it is compared to stock.
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      02-19-2024, 05:42 PM   #16
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Quote:
Originally Posted by 2SG5 View Post
How much sound does an aftermarket axel back really add? From what ive read the bulk of the tone and sound change comes from just changing out the midpipe. Im looking to pair the AA Equal-Length Mid Pipe with their GEN 2 axleback , but im unsure if the axleback is worth it. Any guidance would be appreciated.

For reference on my m2 and x3m im running the AA Single midpipe on both and am pretty happy with the sound just wish they were both louder.
Recommendation is always going to be go midpipe first, then judge. You can always add the axleback later as it's not going to be that big of a deal to swap them out since the pipes are already going to be cut.
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      02-19-2024, 06:59 PM   #17
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Quote:
Originally Posted by Berzerker View Post
Recommendation is always going to be go midpipe first, then judge. You can always add the axleback later as it's not going to be that big of a deal to swap them out since the pipes are already going to be cut.
+1

the midpipe should always be the first sound upgrade, unless you heard it in person and know you want more.
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      02-20-2024, 03:41 PM   #18
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Quote:
Originally Posted by mike@x-ph.com View Post
+1

the midpipe should always be the first sound upgrade, unless you heard it in person and know you want more.
100%
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