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Jun 14th, 2026
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Joined: Jul 2020
Posts: 37 Likes: 2
Just Getting Started
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Just Getting Started
Joined: Jul 2020
Posts: 37 Likes: 2 |
I've got # 36/50 and recently had my exhaust split, luckily I have a welding wizard just down the street. Seems to be holding up for the time being. Love to her how it goes with Magnaflow, I've used them in the past.
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Joined: Jun 2012
Posts: 2,242 Likes: 72
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,242 Likes: 72 |
Will Magnaflow produce an exhaust that has the same appearance as the Brooklands system? If not you may as well go with one of the more tried and tested systems such as G56, MMC or Krazy Horse. A shame if you go that way as the exhaust is the main distinguishing point, after that it becomes a green M3W with badges rather than a rumbling Brooklands. I believe the MMC "final Brooklands upgrade" is no longer an option, your choice may be limited.
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Joined: May 2019
Posts: 592
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: May 2019
Posts: 592 |
I plan to keep a Brooklands style exhaust, I’m not bothering to talk to MMC and I’m not at all surprised to hear that their so called upgrade is no longer available. Fingers crossed that Magnaflow rise to the challenge. I’ll post the outcome.
M3W Brooklands (2015)
Moody 41 (2013)
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Joined: May 2019
Posts: 592
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: May 2019
Posts: 592 |
Well, the exhaust cracking has finally started on the near side at the front of the can. Only 2200 mikes on the clock. Well done MMC.
After careful consideration I’m fitting a flexible joint in front of the cans and passing on the MMC fix of a third can support as I don’t see what that has to do with the problem. Making the can more rigid with the front pipe being pushed around by the engine makes no sense to me. I remember an old friend telling me that if glider wings didn’t flex they’d snap off. Just a word of caution. I helped a friend with trying to sort out his Brooklands exhausts when they started cracking. To cut a long story short, we re-welded the cracks, incorporated new gussets to strengthen where the pipes meet the box and fitted flexible sections just forward of the boxes. It didn't work and we spent a significant amount of money and time finding this out. Once they start cracking no amount of welding will sort them out - it just moves the point at which they crack. The solution was to take the car to an exhaust specialist and have them fabricate a new system similar to the original design but incorporating the gussets and additional flex joints. They were critical about the way the pipes had been joined to the boxes so also improved on these areas. The work was completed in one day, cost £600 (cash no questions asked) and so far seems to be holding up well. They sound good too! Bunny, can you tell me who did it? Magnaflow are too busy! Thanks
M3W Brooklands (2015)
Moody 41 (2013)
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Joined: Mar 2014
Posts: 1,737 Likes: 55
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,737 Likes: 55 |
It was P D Gough & Co. This is their WEBSITE.
Andy
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Joined: May 2019
Posts: 592
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: May 2019
Posts: 592 |
M3W Brooklands (2015)
Moody 41 (2013)
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Joined: Jun 2012
Posts: 2,242 Likes: 72
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,242 Likes: 72 |
If you are thinking of getting a new Brooklands style exhaust made it may be wise to look at a better design for the internals, rather than copy the rather poor design of the original. The shape of the Brooklands system should mean that the internal pipes are one above the other, not a perforated diagonal joining the two. This may be part of the problem with the system? The "final" Brooklands upgrade does seem to have fixed the cracking problems and is worth looking at if you are fabricating a new system.
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Joined: Mar 2014
Posts: 1,737 Likes: 55
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,737 Likes: 55 |
Planenut is right, the Morgan Brooklands system does have rather unconventional internals. It does sound quite good though! ![[Linked Image]](https://www.tm-img.com/images/2021/06/30/Brooklands-Internals.jpg) I bet the Brooklands Museum would be able to give advice on how the internals should be configured.
Andy
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Joined: Jul 2013
Posts: 492 Likes: 11
Learner Plates Off!
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Learner Plates Off!
Joined: Jul 2013
Posts: 492 Likes: 11 |
It looks like it is stuffed with my wife's missing sweater.
Craig - Texas, USA
2026 Plus Four
2021 M3W
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Joined: May 2019
Posts: 592
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: May 2019
Posts: 592 |
Bunny, could you possibly post a photo of your new Brooklands exhaust system? I’m going to have one attempt a lengthening the life of the original and then I’ll go down the replacement route.
Did you look into the front pipe entry into the can? Does the pipe fully enter and have a weld to the inner pipe as well as the can or is it just butt welded to the can outer?
M3W Brooklands (2015)
Moody 41 (2013)
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