Justin S
Truck Hoarder
I was not aware of that, I thought they all had stock Y pipes up front
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I was not aware of that, I thought they all had stock Y pipes up front
true duals yuck, not entirely true, my 97 buddys 98 etc all have a y pipe before whats pictured.
Nope, Vortecs go 2.25 dual to one muffler like that, HD trucks like mine go from a 2.5" at the manifold flange, immediately up to 3" dual, then staggered cat's, then a dual in single out muffler.
It's why so many Vortec trucks are running around with "True duals", they just cut the muffler off and stuck whatever muffler's they like on it.
Are they 4.3's? Those are the only ones I'm aware of that didn't use the 2 in 1 out muffler.
Not true on the HD comment. They're 2-3/4" not 3".