I had a set of sonic turbos on my Camaro, Till the driveshaft took them out after a pinion failure. They sounded good. I replaced mine with the "new" at the time Thrush CVX mufflers. Those sounded good too.
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69 Camaro RS/SS X22 4speed NOM but working on something special
69 Camaro x11 355 crossram m22 12 bolt 3.73's
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