Talk Morgan Forums Morgan Sports Cars Morgan Three Wheeler & Super 3 Catalytic converter removal

And don't forget the heat generated by the baffles. In mine the pipes were always red at night and that simply can't be good for the head and exhaust valves and maybe the "ping". Removal is a nasty time consuming job, but I'd do it again no thought about it. Yes it is noisy and I'd like a little "mellower" tone, but life is just a lot of compromises? You would think there would be a way to get a mellow tone without compromising back pressure.

Thank you, Austrian - darauf einen doppelten Einspänner! :-)

This silencer is of the absorption type, not baffled.
The out side runs cool compared to the MMC standard unit.

Has anyone just removed the first, most restrictive baffle?

My car has the exhaust called ,,Noisy'' from the Morgan factory.
Do you think this exhaust make the same problem as the normal factory exhaust?

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The MMC stage 1 is different to the standard exhaust and uses internal turbulance to reduce the noise. The silencer section is larger diameter than the standard exhaust (but not as large as the Garage 56 absorbtion type).

It has a major influence on the breathing and responsiveness of the motor - no pinking, revs straight up to the ignition cut off, pulls better and is faster

There is - an absorption type silencer, like the G56. It has to be bigger to provide the required surface area to work effectively, but it's the perfect solution for those comfortable with running a larger than standard exhaust. It is precisely this design desire for a low profile, 'vintage' type look that brought the MMC to design the baffled, restrictive yet quiet stock exhaust. Small, neat, quiet - but horrifically inefficient.

You pays your money.....!

Maybe I will just wait and buy one of the upgrades.
I wish I could hear and compare some of them.

The noisy exhausts are too noisy for my personal taste, to book for circuit


To get a mount on the tubes before I exhaust of a manufactured machine a 63,2mm diameter matrix for the reformed tube silencer at the right diameter to inflate the tube 0.3mm / 0.4mm this is done easily in cold with tallow fat.



rattling problem solved ignition, and the needle of the rev counter is faster, I plan to put the noisy with additional soundproofing.

It is better with photos
Thank you Gilbert