And don’t forget the fact that every “turbo muffler“ might be different from brand to brand.
They may share some design characteristics, or they may share none. But they are all slight variations on the same theme from the original Corvair turbo muffler.
Although the stock Corvair turbo muffler is annoyingly loud, most aftermarket turbos are as the others have described. Very mellow and quiet.
I have generic turbos in my 71 and they were great. Almost too quiet in fact, but still much better than the glass packs I had before.
My next set will be the Dynomax super turbos because I want a little better sound and hopefully performance too.
Not based on personal experience yet, but based on an episode of engine masters when they were testing different muffler designs.
The results were very good.
A high mark for a baffled turbo design.
I’m still a fan of straight through types like Magnaflow’s, and would love to try the straight through Dynomax ultra flows, but I’m probably going to try the super turbos first.