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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

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

MG MGA index

This thread is from the archive. The Live MG MGA BBS is active now.