[QUOTE=novadude;1419986]I'm not 100% certain, but I believe that I recall hearing that Dynomax bought the company that made these, and renamed it the "Super Turbo", which is still available.
You are right, though. Sonic Turbo was *the* muffler to have in the 1980s. Then flowmaster came along in the late 80s-early 90s, and everyone decided they liked that sound (personally, I'm not a flowmaster fan).[/QUOTE
The super turbos has round dimples on the end caps. These don't have them.
I remember having Hush Thrush's on my 65 El Camino in the 70's.
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Frank Szymkowski
1987 Mustang GT convertible, scarlet red/titanium, white top and white/red leather, 5 speed, 3.08, factory EQ
1969 GTO Judge Warwick blue/blue, RAIII, 4 speed, tach/gauges, safe t track, flip headlights, 3.55's, ps and radio.
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