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I would love to know which windshield has the “SUPER DUTY” showing right on the outside. Do you have the OEM part number?
EC3Z 2503100 A is the OEM part number
DW02022 is the aftermarket part number
From what I could find, there's no difference between the two as far as materials. It's like all of the tire brands that people argue about until they find out that they are made by the same people in the same building by the same company... branding economics make me lol
On my 6.0 with a 4" cat-back exhaust the drone on the highway was awful. If the goal is sound deadening, the 30" resonator from FTE Diesel worked miracles for me. I don't have raw numbers but we can easily have conversations without shouting or listen to the entertainment system without turning the volume up to hearing damage range. After that I added Michelin Defender tires and I couldn't be happier. I could go farther but I think it would be diminishing returns.