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Wales
by Joske Vermeule, September 1
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Forums39
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Most Online1,063
Jun 14th, 2026
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Joined: Aug 2008
Posts: 421
OP
Learner Plates Off!
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tunable exhaust
Re the topic on too much / too little noise
Made this to get "noise on demand" The valve to the side pipe is controlled by a lever on the tunnel
Cheers J
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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 |
I believe this setup is illegal in the UK It cannot be...our new AMG C63 has exactly this on the rear silencers when Sport + engine mode is selected, or a button on the dash is pressed. The control is electronic, the effect is VERY noisy as the engine management computer adds revs and fuel to make the effect even more pronounced, up-change, down-change and overrun.....all result in a level of sound that is clearly audible from half a mile away.... The noise is compelling, addictive and enjoyable... It is, almost, embarrassing (but not quite) and I honestly feel that it should be impossible to select when in a 30mph limit....out of respect for others. (I wish The Plus 8 did this!) I find myself dreaming on this description alone..  This LINK gives a good idea of the sound. And how it goes when driven round the "Green Hell" my a Mercedes Test Driver.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Oct 2013
Posts: 6,723 Likes: 2
Talk Morgan Sage
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Talk Morgan Sage
Joined: Oct 2013
Posts: 6,723 Likes: 2 |
[quote=Peter J This LINK gives a good idea of the sound. And how it goes when driven round the "Green Hell" my a Mercedes Test Driver. [/quote] Damn, I need the medication again now.. Please make Tarka sound like that..!!!!!!
Steve
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Joined: Jul 2011
Posts: 1,948
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jul 2011
Posts: 1,948 |
This LINK gives a good idea of the sound. And how it goes when driven round the "Green Hell" my a Mercedes Test Driver. Just awesome. If the future for supercars (whatever that means when hatchbacks can now outsprint exotica) is V6 rather than V8, V10, V12 then I shan't mind if they all sound like this. On a related note, the switchable exhaust valve on the new MINI JCW Challenge is activated via Bluetooth from a keyring fob (which says 'not for road use'). I wonder if this is to thwart legislators in case they get tougher on noise limits if the switchable device is physically part of the vehicle controls.
Stuart
"There's no skill substitute like cubic inches."
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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 |
This LINK gives a good idea of the sound. And how it goes when driven round the "Green Hell" my a Mercedes Test Driver. Just awesome. If the future for supercars (whatever that means when hatchbacks can now outsprint exotica) is V6 rather than V8, V10, V12 then I shan't mind if they all sound like this. On a related note, the switchable exhaust valve on the new MINI JCW Challenge is activated via Bluetooth from a keyring fob (which says 'not for road use'). I wonder if this is to thwart legislators in case they get tougher on noise limits if the switchable device is physically part of the vehicle controls. AMG has no such reservations.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Jul 2011
Posts: 1,948
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jul 2011
Posts: 1,948 |
This LINK gives a good idea of the sound. And how it goes when driven round the "Green Hell" my a Mercedes Test Driver. Just awesome. If the future for supercars (whatever that means when hatchbacks can now outsprint exotica) is V6 rather than V8, V10, V12 then I shan't mind if they all sound like this. On a related note, the switchable exhaust valve on the new MINI JCW Challenge is activated via Bluetooth from a keyring fob (which says 'not for road use'). I wonder if this is to thwart legislators in case they get tougher on noise limits if the switchable device is physically part of the vehicle controls. AMG has no such reservations. Not under current legislation. My AMG45 has a switchable 'Group B Rally Car Sound Effects' button. I was really getting at MINI maybe having a more future-proof solution if things should change for future production
Stuart
"There's no skill substitute like cubic inches."
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Joined: Aug 2008
Posts: 421
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Aug 2008
Posts: 421 |
Amazing what you can do with the skills and a good photo software programme ;-). Brilliant but you should have waited until April 1st.
Hey what's this Collin, are you suggesting this is not real? What makes you think that? If I have any skills its certainly not with photo software.  Cheers J I think the position of the front weld gave it away ;-) I love your pipes....;-) Ah, the front weld no notice is actually the spring that pulls the valve closed. Or I am not a Morgan enthusiast tinkering in the shed but a foreign hacker trying to corrupt this forum with subversive and illegal Idea's. Few more picture on the set up will follow (when I am done with fotoshopping  Initially I used a shorter main-silencer to create space for the y-piece. This made the closed-valve noise too high. Now working on combing the Y-piece with the (modded) original silencer. cheers J
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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 |
Stuart,
the C43 has no such warning or restriction, not in the "handbook" nor on the display when the car is put into Sport or Sport + modes. So perhaps it isn't as loud as the A45?
I will have a chat with the dealer when I go in again, I'd like to know for sure as one day I'll make a lot of noise in front of a Police car...!!
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Aug 2013
Posts: 3,383 Likes: 14
Talk Morgan Addict
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Talk Morgan Addict
Joined: Aug 2013
Posts: 3,383 Likes: 14 |
Amazing what you can do with the skills and a good photo software programme ;-). Brilliant but you should have waited until April 1st.
Hey what's this Collin, are you suggesting this is not real? What makes you think that? If I have any skills its certainly not with photo software. Cheers J I think the position of the front weld gave it away ;-) I love your pipes....;-) Ah, the front weld no notice is actually the spring that pulls the valve closed. Or I am not a Morgan enthusiast tinkering in the shed but a foreign hacker trying to corrupt this forum with subversive and illegal Idea's. Few more picture on the set up will follow (when I am done with fotoshopping Initially I used a shorter main-silencer to create space for the y-piece. This made the closed-valve noise too high. Now working on combing the Y-piece with the (modded) original silencer. cheers J Love it J....just wish I could hear it....I love hooligans ;-)
BR Colin
Who used to be a Spanner Juggler
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