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Akrapovic exhaust for facelift c63s coupe 2019+?

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Old Jan 1, 2020 | 05:21 AM
  #1  
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2019 AMG G63, 2020 AMG C63s Coupe
Akrapovic exhaust for facelift c63s coupe 2019+?

Hello everyone!

I finally got my 2020 C63s coupe, drives and looks amazing - inside and out.

Only thing missing is more sound, it sounds good but a little muted for my liking. It could very well get louder as I break it in, we'll see.

Does Akrapovic have an exhaust that works for facelifted models 2019+?

Does anyone recommend any other exhausts that work for the facelifted model? Looking for an exhaust that unleashes the sound of the facelift c63s, not necessarily change the nature of the sound just make it louder, more burbles and pops, etc.

My 2018 M2 with the m performance exhaust is noticeably louder than my 2020 C63s 😅

Any ideas?

Thank you!
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Old Jan 1, 2020 | 01:43 PM
  #2  
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Originally Posted by BrianShaw23
Hello everyone!

I finally got my 2020 C63s coupe, drives and looks amazing - inside and out.

Only thing missing is more sound, it sounds good but a little muted for my liking. It could very well get louder as I break it in, we'll see.

Does Akrapovic have an exhaust that works for facelifted models 2019+?

Does anyone recommend any other exhausts that work for the facelifted model? Looking for an exhaust that unleashes the sound of the facelift c63s, not necessarily change the nature of the sound just make it louder, more burbles and pops, etc.

My 2018 M2 with the m performance exhaust is noticeably louder than my 2020 C63s 😅

Any ideas?

Thank you!
hello

im in the same boat as you. I have a 2019 C63S saloon and I’m not happy with the sound. I have done extensive research on this and unfortunately there are not a lot of options.

The only full exhaust system which takes the PPF filter into account is brabus exhaust system which on the plus side keeps your merc warranty but on the negative side costs over £7k.

there are hardly any manufacturers that have designed exhaust systems to take PPF filter into account including akro.

if you change the exhaust system you will be wasting your time and money as the filter will still kill the sound off.

the cheapest option is deleting the rear boxes or modifying them where they tape up the holes in the pipes so they don’t resonate the sound and it gets pushed straight through and out rather then the sound bouncing around the back box. This is the cheapest and most cost effective method.

i have done this and it has made my car 10-15% louder and cost £280.

the only exhaust company which does back boxes taking the filter into account is miltek. There might be others but this is what I’ve been told.

if you want your car to sound 50% loude you have to change the down pipes which gets rid of the filter, remap it to stage two giving you 625bhp and map in pops and bangs. Cost I’ve been told is £2700 however your warranty is gone and when merc do a software upgrade your ecu remap is gone.

so at this stage there isn’t a simple solution. If anyone knows any better let me know as I want my car to be louder without risking the warranty.


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Old Jan 1, 2020 | 02:37 PM
  #3  
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Originally Posted by Arfan Asghar
hello

im in the same boat as you. I have a 2019 C63S saloon and I’m not happy with the sound. I have done extensive research on this and unfortunately there are not a lot of options.

The only full exhaust system which takes the PPF filter into account is brabus exhaust system which on the plus side keeps your merc warranty but on the negative side costs over £7k.

there are hardly any manufacturers that have designed exhaust systems to take PPF filter into account including akro.

if you change the exhaust system you will be wasting your time and money as the filter will still kill the sound off.

the cheapest option is deleting the rear boxes or modifying them where they tape up the holes in the pipes so they don’t resonate the sound and it gets pushed straight through and out rather then the sound bouncing around the back box. This is the cheapest and most cost effective method.

i have done this and it has made my car 10-15% louder and cost £280.

the only exhaust company which does back boxes taking the filter into account is miltek. There might be others but this is what I’ve been told.

if you want your car to sound 50% loude you have to change the down pipes which gets rid of the filter, remap it to stage two giving you 625bhp and map in pops and bangs. Cost I’ve been told is £2700 however your warranty is gone and when merc do a software upgrade your ecu remap is gone.

so at this stage there isn’t a simple solution. If anyone knows any better let me know as I want my car to be louder without risking the warranty.
Hi Afran,

Thanks for your feedback. What do you think of this (other than the crazy price): https://www.renntechmercedes.com/ind...c63-931-detail

I wonder if this is a viable alternative as it shouldn't do anything to the car to void any warranties. I also ordered the active valve control which cost me close to $500 USD, I wonder how it would work with something like renntech's C63s sport mufflers.

Another option is probably to do a DME tune which advertises it can increase the burbles and pops to your liking but that will obviously void the powertrain warranty of the car.
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Old Jan 1, 2020 | 04:41 PM
  #4  
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an exhaust system is a waste for this car IMO. More so if you have the AMG PERFORMANCE exhaust. All you need is catless downpipes and you are good to go.
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Old Jan 1, 2020 | 04:47 PM
  #5  
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Originally Posted by BrianShaw23
Hi Afran,

Thanks for your feedback. What do you think of this (other than the crazy price): https://www.renntechmercedes.com/ind...c63-931-detail

I wonder if this is a viable alternative as it shouldn't do anything to the car to void any warranties. I also ordered the active valve control which cost me close to $500 USD, I wonder how it would work with something like renntech's C63s sport mufflers.

Another option is probably to do a DME tune which advertises it can increase the burbles and pops to your liking but that will obviously void the powertrain warranty of the car.
the problem I’m having in the UK is I can’t find anyone that has just changed the back mufflers. Even exhaust companies I’ve spoken to say they haven’t changed one on the C63s 2019 so it’s gamble I guess.

just make sure they take the PPF filter into account which I think the us versions still have. I just wish there was a simple solution which was change the exhaust and it sounds like a beast.

i also had a bmw m3 f80 previously and I changed the exhaust to m performance from bmw and the car sounded insane.

i think in a years time more exhaust manufacturers will jump on board. I heard akro are starting to look into it this now. Let me know if you change it and if it makes a difference.

i would say start off with the back box delete which is the cheapest option and see if your happy with that. They cut the back boxes open and cover the little holes in the pipe.
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Old Jan 1, 2020 | 04:56 PM
  #6  
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Originally Posted by Beast
an exhaust system is a waste for this car IMO. More so if you have the AMG PERFORMANCE exhaust. All you need is catless downpipes and you are good to go.
yes agreed this is what I’ve been told change the down pipes and the car will sound like an animal however they may need to reposition your ecu as it’s located underneath the engine and I’ve been told they need to remove your gearbox to install the down pipes.
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Old Jan 1, 2020 | 08:47 PM
  #7  
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Not if you cut the stock ones out. But then, if you ever want to go back to stock..... new or used set from someone. At least this way, you only have to drop the transmission once IF you go back stock.
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Old Jan 2, 2020 | 04:35 AM
  #8  
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Originally Posted by Arfan Asghar
the problem I’m having in the UK is I can’t find anyone that has just changed the back mufflers. Even exhaust companies I’ve spoken to say they haven’t changed one on the C63s 2019 so it’s gamble I guess.
These people will do (and have done) this mod:

https://www.exhaustmods.co.uk/
https://www.deutschtech.co.uk/
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Old Jan 2, 2020 | 05:32 AM
  #9  
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Originally Posted by playalistic
These people will do (and have done) this mod:

https://www.exhaustmods.co.uk/
https://www.deutschtech.co.uk/
ive contacted exhausts mods in the past and he only does the back box delete which I was talking about earlier. I’ve done this already which makes your car 10-15% louder but it’s still not enough.

ill contact the other company and see what they say. Cheers for the links
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Old Jan 2, 2020 | 05:55 AM
  #10  
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Ah, I missed that. MSL have done downpipes and mapped out the OPF on a 2019 car (it's someone I know) - I'm considering them too.
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Old Jan 2, 2020 | 05:59 AM
  #11  
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Originally Posted by playalistic
Ah, I missed that. MSL have done downpipes and mapped out the OPF on a 2019 car (it's someone I know) - I'm considering them too.
hi yes they have. They sent me a video on what’s app of that car I tried posting it on here but it won’t allow me.

another company if you live in London that do it is PPL performance. I went to see them and they quoted me £2700.

im considering it to but only thing holding me back is warranty.
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Old Jan 2, 2020 | 06:00 AM
  #12  
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Originally Posted by playalistic
Ah, I missed that. MSL have done downpipes and mapped out the OPF on a 2019 car (it's someone I know) - I'm considering them too.
if they live in London is it possible to arrange a meet up to hear the car in person?
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Old Jan 2, 2020 | 01:50 PM
  #13  
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Originally Posted by playalistic
These people will do (and have done) this mod:

https://www.exhaustmods.co.uk/
https://www.deutschtech.co.uk/
cheers for the 2nd link. Called them today and they changed the down pipes on A glc AMG and said the end result was at least 50% louder.

ive been quoted £1900 for down pipes and remap which I will seriously consider.
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Old Jan 5, 2020 | 11:39 AM
  #14  
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This has way way to do about software than the particle filter.. The press cars had them and they sounded as good or better than the pre-facelift. Which is why a lot of people say it's false advertising. The capability is there and all that is needed is software. We can make the same noise as pre facelift but it is above 4-5k rpm letting off the gas.. The main diff is you play those pops and bangs at lower rpms in the pre facelift. I can set off car alarms no problem revving to 5k and letting off the gas and my 2019 is bone stock.
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Old Jan 5, 2020 | 01:54 PM
  #15  
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Originally Posted by purplewidow
This has way way to do about software than the particle filter.. The press cars had them and they sounded as good or better than the pre-facelift. Which is why a lot of people say it's false advertising. The capability is there and all that is needed is software. We can make the same noise as pre facelift but it is above 4-5k rpm letting off the gas.. The main diff is you play those pops and bangs at lower rpms in the pre facelift. I can set off car alarms no problem revving to 5k and letting off the gas and my 2019 is bone stock.
The OPF is very restrictive and robs sound - simple as that. Disregard the pop & bang software theatrics for a moment - I had a 2017 for like 18 months and it was objectively louder than my 2019 which I've had now since June. They did well to make the 2019 still sound great for sure - but there can be no argument it's quieter across all modes/situations than the pre-facelift cars.
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Old Jan 6, 2020 | 11:09 AM
  #16  
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Originally Posted by playalistic
The OPF is very restrictive and robs sound - simple as that. Disregard the pop & bang software theatrics for a moment - I had a 2017 for like 18 months and it was objectively louder than my 2019 which I've had now since June. They did well to make the 2019 still sound great for sure - but there can be no argument it's quieter across all modes/situations than the pre-facelift cars.
totally agree it’s not a software issue it’s the PPF killing the sound of the car. Remove that and it can roar again.

i will be taking the plunge and booking my car in for downpipe changes, PPF removal and remap. I know I’m risking the warranty but then I bought this car for the sound and I’m not getting that.

would be nice to know how reliability is like once done. If anyone has had it done what are your experiences like so far? Have you had any issues and would you recommend people to do it?

Last edited by Arfan Asghar; Jan 6, 2020 at 11:11 AM.
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Old Jan 7, 2020 | 04:13 AM
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where exactly is that OPF located, so I can cut the MFKR out?
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Old Jan 7, 2020 | 08:48 AM
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In the primary cats eg the downpipes.
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Old May 13, 2020 | 07:48 AM
  #19  
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Originally Posted by Arfan Asghar
totally agree it’s not a software issue it’s the PPF killing the sound of the car. Remove that and it can roar again.

i will be taking the plunge and booking my car in for downpipe changes, PPF removal and remap. I know I’m risking the warranty but then I bought this car for the sound and I’m not getting that.

would be nice to know how reliability is like once done. If anyone has had it done what are your experiences like so far? Have you had any issues and would you recommend people to do it?
Keep us posted Arfan. I’m in the same boat... contacted PCW, DMS and SA. It seems that for volume the PPF has to go, this needs ECU entry delete and for theatrics it needs burble and crackle tune.
I’m after the same, more low down theatrics and more volume with sport exhaust on (like it quiet with exhaust off). I wouldn’t want anything extreme as 20 pops like you here on some cars on YouTube!
really keen to see here or find out more. Warranty (and Virus lockdown) has stopped me so far.
cheers
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Old May 13, 2020 | 09:12 AM
  #20  
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Hello

i took the plunge and done a stage 2 conversion where the downpipes were removed and changed, this removed the PPF filter and it has been remapped to 637bhp now.

sound wise the car is perfect, it sounds like a beast, it’s hard to quantify but it’s over 50% louder at least. I’m really happy with the end results. It pops and bangs much louder now and at lower reveal on S+ mode.

i got it done in February and touch wood it’s running perfect so far. I’ve got a service coming up next month and I have to make sure the dealer doesn’t do any service updates as it will remove the map and cause issues.

i don’t know where your bases but cost was £2500 which I thought was very reasonable considering the sound and power you get.

i would recommend anyone to do this. Hope this helps.
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Old May 13, 2020 | 10:35 AM
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Originally Posted by Arfan Asghar
Hello

i took the plunge and done a stage 2 conversion where the downpipes were removed and changed, this removed the PPF filter and it has been remapped to 637bhp now.

sound wise the car is perfect, it sounds like a beast, it’s hard to quantify but it’s over 50% louder at least. I’m really happy with the end results. It pops and bangs much louder now and at lower reveal on S+ mode.

i got it done in February and touch wood it’s running perfect so far. I’ve got a service coming up next month and I have to make sure the dealer doesn’t do any service updates as it will remove the map and cause issues.

i don’t know where your bases but cost was £2500 which I thought was very reasonable considering the sound and power you get.

i would recommend anyone to do this. Hope this helps.
mate this is great to hear! I’m in the northeast area, don’t know anyone around here Or any garages that can do this kind of work. Needs to be done though?
can it still be tamed to exhaust off and comfort mode? Did you get valve programming changed too so the button is always on or stock? I get an ASR module to make the valves be open all the time.
cheers
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Old May 13, 2020 | 10:49 AM
  #22  
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I got it done for MSL performance in Birmingham, they are really good check them out. I live in London and travelled up there to get it done.

they will keep your car for 3-5 days so you will have to train it back.

when you close the valves the car is pretty quite and ideal for motorway driving but when you open the valves it turns into a beast.

the car is perfect and sounds how it should. If you have the cash I’d say go for it. Cheaper then any exhaust system on the market.
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Old May 13, 2020 | 10:55 AM
  #23  
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Originally Posted by Arfan Asghar
I got it done for MSL performance in Birmingham, they are really good check them out. I live in London and travelled up there to get it done.

they will keep your car for 3-5 days so you will have to train it back.

when you close the valves the car is pretty quite and ideal for motorway driving but when you open the valves it turns into a beast.

the car is perfect and sounds how it should. If you have the cash I’d say go for it. Cheaper then any exhaust system on the market.
awesome! When I contacted MSL they hadn’t done one. I’ll definitely get this done post lockdown.
I want that beast unleashing! Would love to see any videos if you have any 👍
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Old May 13, 2020 | 11:00 AM
  #24  
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i was the 3rd person from MSL to get this done. 2 others were done before me so he knows what he is doing and is the best in his field.

the best thing is you can put everything back into stock form should you need to in the future as he gives you the original downpipes.
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Old May 13, 2020 | 11:20 AM
  #25  
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Originally Posted by Arfan Asghar
i was the 3rd person from MSL to get this done. 2 others were done before me so he knows what he is doing and is the best in his field.

the best thing is you can put everything back into stock form should you need to in the future as he gives you the original downpipes.
Hey Arfan,

Did you do catless or catted? So all you did was downpipes + stage 2 tune? No other changes? I plan on doing the renntech catted downpipes and the renntech stage 1 tune. The renntech shop down here in Los Angeles says they can build me custom mufflers as well which will make it sound like a 2018 with more pops and bangs.
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