Factually incorrect?
Firstly, I didn't explicitly doubt that some of the 13+ fueling componentry is upgraded over previous m/y. I simply stated I've seen it mentioned on the forum.
Secondly, I'm not factually incorrect, because I stated a matter of opinion regarding aftermarket injector solutions. Furthermore, until it is fully available to consumers, it is unaccountable.
If there are some in development, that's fantastic.
There are two upstream areas in fuel delivery, which for most enthusiasts here, would need to be upgraded before any additional volume at the cylinders could be feasible.
If buying FoMoCo 13+ whole HPFP assemblies is the only option for pre-13 owners, that's a very costly option, before even factoring in the cost of injectors or in-tank pumps.
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