H pipe, X pipe or straight pipe?

[SquillyP]

Would a X or H pipe help with drone any? I love my flowmasters but driving on the highway is the only time the drone is constant or annoying

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[fordguys550]

X pipes have drone but its at a differnt rpm than a h pipe. My car with a x pipe has 0 drone at 70 to 80mph. At 60 to 65 it has some. Not sire where the h pipe guys have it

 

[fordguys550]

Anybody using the flowmaster x pipe?

 

[Clarkson]

What's the diameter of our stock exhaust on the resonator? Is it 2.5 inch or 2.25 inch? Does the diameter of the tube remain the same all the way to the muffler?

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