I've tried several types of mufflers and the one I felt was the best for power/ flow and mellow quiet cruising was the Dynomax turbos. They're decently deep toned and quiet when cruising and come alive fairly well when you lay into it. As with other turbos they have internal flow direction changes but they have bends inside the muffler that direct and keep the flow moving smoothly instead of just dumping into a chamber and then moving through another tube, if that makes sense.
I grew up in the 80s and have always loved the sound of Flowmasters, but every vehicle I had them on from a street strip Nova to my 76 Suburban to my G-body wagon the drone was a little annoying. Their larger truck mufflers are said to cut down on that drone.
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-Ben, Creative Director
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