Exhaust is a disappointment compared to my X3MC

anthemavm · 12-16-2023, 04:42 PM

I am really surprised that the exhaust is so quiet on my 24 G87. I just heard my wife leave in the 22 x3mc and it has me thinking time for a upgrade to Papa Smurf.

How do you open the valves on the stock exhaust?

Seems that most like the full Valvetronic Designs - Valved Sport Exhaust System, anything else I should look at?

Thanks

M_Power Rob · 12-16-2023, 04:54 PM

Quote:

Originally Posted by anthemavm

I am really surprised that the exhaust is so quiet on my 24 G87. I just heard my wife leave in the 22 x3mc and it has me thinking time for a upgrade to Papa Smurf.

How do you open the valves on the stock exhaust?

Seems that most like the full Valvetronic Designs - Valved Sport Exhaust System, anything else I should look at?

Thanks

I have the Valvetronic and like it very much so I am a little biased. May also want to check out Fi.

anthemavm · 12-17-2023, 10:16 AM

Quote:

Originally Posted by M_Power Rob

I have the Valvetronic and like it very much so I am a little biased. May also want to check out Fi.

Stupid question, but does that eliminate the catalytic converters?

Baller · 12-17-2023, 12:36 PM

No, the cats are in the downpipes, so the the system doesn’t cause any CELs.
I too have the full Valvetronic system and love it. Highly recommend.

JABCAT · 12-17-2023, 12:52 PM

Quote:

Originally Posted by anthemavm

I am really surprised that the exhaust is so quiet on my 24 G87. I just heard my wife leave in the 22 x3mc and it has me thinking time for a upgrade to Papa Smurf.

How do you open the valves on the stock exhaust?

Seems that most like the full Valvetronic Designs - Valved Sport Exhaust System, anything else I should look at?

Thanks

In the same boat. I can hear my wife start her X3MC in the garage on the other side of the house. Can't hear the M2

mike@x-ph.com · 12-17-2023, 12:53 PM

Single or equal length midpipe + an axle back will fix the sound problem

sclui56 · 12-17-2023, 03:32 PM

Quote:

Originally Posted by JABCAT

In the same boat. I can hear my wife start her X3MC in the garage on the other side of the house. Can't hear the M2

Just switched out my 2018 F87 yesterday for the G87. Thought the G was quieter but I was at the dealership, not sure how much was run before I got there. At any rate, I cold started the G this morning and was surprised how tame she sounded, so much so that my neighbor commented that I got a quieter car.

This is of course pure perception, but my daughter's cold start on her M240 "seems" louder than my new M2.

M_Power Rob · 12-17-2023, 04:03 PM

Quote:

Originally Posted by sclui56

Just switched out my 2018 F87 yesterday for the G87. Thought the G was quieter but I was at the dealership, not sure how much was run before I got there. At any rate, I cold started the G this morning and was surprised how tame she sounded, so much so that my neighbor commented that I got a quieter car.

This is of course pure perception, but my daughter's cold start on her M240 "seems" louder than my new M2.

Big difference with the valves closed, valves opened OEM style and valves fully opened.

M_Power Rob · 12-17-2023, 04:06 PM

Quote:

Originally Posted by anthemavm

Stupid question, but does that eliminate the catalytic converters?

Primary cats are in the downpipes. If you are concerned with the full catback and State inspection, cant answer. If you are concerned with throwing a CEL, you are good to go, no CEL.

anthemavm · 12-17-2023, 07:45 PM

Quote:

Originally Posted by JABCAT

In the same boat. I can hear my wife start her X3MC in the garage on the other side of the house. Can't hear the M2

You going to upgrade?

JABCAT · 12-18-2023, 11:29 AM

Quote:

Originally Posted by anthemavm

You going to upgrade?

Not for the current price of the systems available.

anthemavm · 12-18-2023, 12:31 PM

Quote:

Originally Posted by JABCAT

Not for the current price of the systems available.

I get it, lots of money to make something sound loud.

tylerdurdem · 12-18-2023, 01:27 PM

Quote:

Originally Posted by sclui56

Just switched out my 2018 F87 yesterday for the G87. Thought the G was quieter but I was at the dealership, not sure how much was run before I got there. At any rate, I cold started the G this morning and was surprised how tame she sounded, so much so that my neighbor commented that I got a quieter car.

This is of course pure perception, but my daughter's cold start on her M240 "seems" louder than my new M2.

I rented a z4 m40i before I bought my G87 and was surprised at how much fruitier the startup was on the z4. I wouldn't mind a little more theater in my G87 . . .

WhiteRqbbit · 12-18-2023, 01:28 PM

I bit the bullet and ordered the active autowerke single midpipe - so dang expensive, but between a sale and discount code made it still too expensive but Yolo. I'm excited to install it, but with the holidays, I'm unsure how fast it will come.

azlightning213 · 12-18-2023, 06:07 PM

Have a full stainless steel Valvetronic setup on my car (posted a video in that thread for those interested).

I thought the car sounded good stock in Sport+ / valves open always open…

Now it sounds menacing. Best $3k ever spent.

anthemavm · 12-18-2023, 06:48 PM

Quote:

Originally Posted by azlightning213

Have a full stainless steel Valvetronic setup on my car (posted a video in that thread for those interested).

I thought the car sounded good stock in Sport+ / valves open always open…

Now it sounds menacing. Best $3k ever spent.

I heard your video and it does sound great. Thanks for sharing.

AZG87 · 12-23-2023, 05:16 PM

Quote:

Originally Posted by anthemavm

I am really surprised that the exhaust is so quiet on my 24 G87. I just heard my wife leave in the 22 x3mc and it has me thinking time for a upgrade to Papa Smurf.

How do you open the valves on the stock exhaust?

Seems that most like the full Valvetronic Designs - Valved Sport Exhaust System, anything else I should look at?

Thanks

I joked when I first got her it as like an ev it was so quiet especially coming from a v8 with long tube headers. Even in sport/ sport + with valves open (efficient with them closed is silent).

A simple mid pipe upgrade will change that. AA equal length mid for example.

Could go all out if wanted and do down pipe and axle back as well but starting with just the mid is a big change.

Baller · 12-23-2023, 07:32 PM

Do the full system you want it loud.

Ravenseal · 12-23-2023, 09:12 PM

Buy a single midpipe, you're welcome

Info@mad-us.com · 01-05-2024, 12:57 PM

Quote:

Originally Posted by Ravenseal

Buy a single midpipe, you're welcome

wrapman · 01-10-2024, 10:51 AM

Any drone with the full stainless steel Valvetronic setup?

M_Power Rob · 01-10-2024, 11:09 AM

Quote:

Originally Posted by wrapman

Any drone with the full stainless steel Valvetronic setup?

No, I have not had any drone issues. Highflow catted downpipe is going on this week so will let you know if this has any effect.

12-16-2023, 04:42 PM	#1
anthemavm Captain 650 Rep 917 Posts Drives: X3MC Join Date: Apr 2013 Location: Huntington Beach iTrader: (0)	Exhaust is a disappointment compared to my X3MC I am really surprised that the exhaust is so quiet on my 24 G87. I just heard my wife leave in the 22 x3mc and it has me thinking time for a upgrade to Papa Smurf. How do you open the valves on the stock exhaust? Seems that most like the full Valvetronic Designs - Valved Sport Exhaust System, anything else I should look at? Thanks
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12-17-2023, 12:36 PM	#4
Baller Private First Class 199 Rep 167 Posts Drives: 2023 BMW M2 Join Date: Nov 2023 Location: Canada iTrader: (0) Garage List 2023 BMW M2 G87 [10.00]	No, the cats are in the downpipes, so the the system doesn’t cause any CELs. I too have the full Valvetronic system and love it. Highly recommend.
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12-17-2023, 12:53 PM	#6
mike@x-ph.com Joint Chiefs of Staff 27118 Rep 196,264 Posts Drives: 07-335/12-328/18-M4/21-M4CP Join Date: Sep 2013 Location: Las Vegas iTrader: (23)	Single or equal length midpipe + an axle back will fix the sound problem __________________ Check out our current sale by clicking on this link! https://x-ph.com/sale/ Phone number 702-494-9435
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12-18-2023, 01:28 PM	#14
WhiteRqbbit Private First Class 115 Rep 123 Posts Drives: BMW M2 G87 Join Date: Oct 2023 Location: NC, USA iTrader: (0)	I bit the bullet and ordered the active autowerke single midpipe - so dang expensive, but between a sale and discount code made it still too expensive but Yolo. I'm excited to install it, but with the holidays, I'm unsure how fast it will come. __________________
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12-18-2023, 06:07 PM	#15
azlightning213 Private First Class 494 Rep 182 Posts Drives: BMW M4 Competition X-Drive Join Date: Sep 2023 Location: Miami, FL iTrader: (0)	Have a full stainless steel Valvetronic setup on my car (posted a video in that thread for those interested). I thought the car sounded good stock in Sport+ / valves open always open… Now it sounds menacing. Best $3k ever spent.
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12-23-2023, 07:32 PM	#18
Baller Private First Class 199 Rep 167 Posts Drives: 2023 BMW M2 Join Date: Nov 2023 Location: Canada iTrader: (0) Garage List 2023 BMW M2 G87 [10.00]	Do the full system you want it loud.
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12-23-2023, 09:12 PM	#19
Ravenseal Lieutenant Colonel 3094 Rep 1,897 Posts Drives: 2023 M2 6MT Join Date: Jan 2016 Location: Denver iTrader: (0)	Buy a single midpipe, you're welcome __________________ 2023 G87 M2 - Toronto Red \| 6MT \| M HAS \| CF Roof \| BMW 826M Forged Wheels \| Mishimoto Skid Plate \| Active Autowerks Single Midpipe Retired: 2022 M240i xDrive \| 2021 Audi RS5 \| 2019 Camaro 2SS 1LE 6MT \| 2016 428i GC \| 2011 BMW 335is
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01-10-2024, 10:51 AM	#21
wrapman Private 76 Rep 71 Posts Drives: 22 G29 M40i Join Date: Aug 2019 Location: Erie, PA iTrader: (1)	Any drone with the full stainless steel Valvetronic setup?
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