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Forums39
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Jun 14th, 2026
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Joined: Dec 2009
Posts: 37,407 Likes: 977
Tricky Dicky Member of the Inner Circle
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OP
Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,407 Likes: 977 |
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Feb 2016
Posts: 8,667 Likes: 408
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,667 Likes: 408 |
It looks as though the MP system has diverter valves to avoid the final silencer.
So it could be a lot more fruity in Sport Mode.
The Sport Mode switch could be set to change the exhaust flow.
The 2017 AMG C43 does that: in Sport Mode it would fail its noise test, which is why the handbook says it is only for use "where permitted by law", or something.
In fact on the 2017 model the loudness is selectable by the driver, but in the 2019 face lift version and in my 2019 A43 the exhaust noise is not user selectable separately from driving mode. That was my first thought as well Peter. I even started writing a post to that effect. Look closer though and compare with OE mountings since that is all they are, being located after split. Regarding aftermarket LSD, sure I read somewhere that it was deliberately not included in factory spec. to minimise traction problems by spinning away excess power, given lack of traction control.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Apr 2014
Posts: 5,182 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,182 Likes: 2 |
Not an expert but surly two separate system's would be more efficient without that cross silencer at the rear..
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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Joined: Aug 2012
Posts: 2,360 Likes: 2
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2012
Posts: 2,360 Likes: 2 |
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Joined: Jul 2015
Posts: 979 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jul 2015
Posts: 979 Likes: 2 |
It looks "pretty" however, we have no idea, how this exhaust - sounds on the car......?
Honesty means doing it right, even when no one is looking!
2004 Roadster S1 3.0 V6 gone!
Mark
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Joined: Jul 2007
Posts: 28,894 Likes: 351
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,894 Likes: 351 |
He said it felt a little like a robot compared to his old M Coupe (the little hunchback model). He said that the best car he had heard around was some bloke with a Morgan that came in from time to time  The M Coupe was a rather special car. I'm surprised he didn't keep it. Guess you didn't let on who the Morgan driver was? 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Sep 2012
Posts: 1,959 Likes: 15
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Sep 2012
Posts: 1,959 Likes: 15 |
Morgan Park Exhaust videoHalf an exhaust anyway. Work in progress?
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Joined: Aug 2013
Posts: 15,794 Likes: 15
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 15 |
All they need to do is fit side pipes, it sounds good to me....
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Oct 2019
Posts: 203
L - Learner Plates On
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L - Learner Plates On
Joined: Oct 2019
Posts: 203 |
The standard system looks quite strange with that additional front box...not sure what that’s all about. The MP one if the rear cross box is switchable looks to be almost unsilenced! I assume the cats are mounted by the manifolds and dint form part of this system?
Jays. Ex Morgan owner. 1967 MGB Roadster.,
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Joined: Sep 2011
Posts: 14,748 Likes: 158
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,748 Likes: 158 |
The AMG GTC I drove last year was brand new and standard. She has diverter valves which can be switched independently of the drive program. It seems to depend on how the sound is generated. A search on the web turns up some rather confusing results. It seems that a so-called Soundaktuator (or sound generator, "Active Sound") really is prohibited but some sort of flap system can still be installed. It probably depends how it is used.
Peter ![[Linked Image]](http://bradley.it/public_images/drive.jpg)
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