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MG MGA - MGA Performance Muffler

The turbo muffler on the A has fallen apart inside after 25 years and it's time to replace it. I run an 1868 18V engine with tuned head and exhaust. I was wondering if others might have fitted a performance muffler to their A and what their thoughts and recommendations are.
Thanks for any thoughts.
Tyler
C.T. Irwin

I have the twin chrome tip performance muffler from Moss; installed it about 15 years ago and its still in great shape. It is a bit throaty, but I've become accustomed to the sound. It's their part number 454-590.

Nick Kopernik

Thanks Nick,
Someone told me the exit openings on that muffler were 1 inch in diameter. Is that true?
Tyler
C.T. Irwin

Muffler tips measure 2" dia. inner opening & 2 3/8" outer. If it were a 1" opening I'm not sure the car would even run!
Nick Kopernik

Tyler, I need to correct my earlier post as I forgot that the tips flare out at the end. There is an inner pipe that's about 1 1/2" in diameter, leading to the 2" chrome tips. Here's a picture which shows the inner opening:

Nick Kopernik

1950 with a standard MGA mild steel exhaust and an extra muffler under the drivers seat. Quiet, so great for driving distance, and goes like a rocket.

The standard exhaust is pretty good on flow!
Dominic Clancy

This thread was discussed between 05/02/2020 and 06/02/2020

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