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Re: opinion on my free mufflers
My truck used to have turbo mufflers. It had flowtech long tube headers, generic turbo mufflers, set up as true duals all the way to the rear bumper.
On the highway once up to speed it was very subdued even at 3000 rpm or 70 mph. No interior resonance at all. Now granted when you gave it full throttle, the truck got pretty loud, but at cruising conditions they were quiet.
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