Couple issues ago 5.0 Mustang had a test with many different mufflers with their dyno numbers and decible levels. If my memory serves me correct the best flowing and quiestest muffler was the Bassani Real Street. I think Borla's and Magnaflow's also have a somewhat quieter tone. ~Brian
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1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's
Coming not so soon: 408w
Ricer Hater's Club Member #59
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