Im going to put a new exhaust on my 65 mustang and want a muffler with a deep sound but not loud. which one would you pick?
In comparison to Borla's or Spintech's....no, the Flowmasters won't match the flow potential, but they're still more than capable of suporting the horsepower levels of your average bolt on car. And they certainly outflow anything OEM.Borla and Spintech flow well. Flowmasters don't.
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