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Power Strokes
6.7 Aftermarket
When is it really time to upgrade the exhaust?
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[QUOTE="HS-MotorsportsDallas, post: 1229798, member: 19010"] I put the Flo-Pro 4" on with a muffler and I must say it's really quiet. Someone wanting a little more sound but no drone might go with the 4" without a muffler. I turn 28 this month so I'm getting old and had to choose the quiet exhaust over the annoying drone. This aging stuff sucks. [/QUOTE]
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6.7 Aftermarket
When is it really time to upgrade the exhaust?
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