Originally Posted by XwChriswX

LoL This is exactly the point.

[Speculation] They're not even bothering to test another product, and then claiming it doesn't work while they can R&D their own 'magic headers that work' with the SC kits.[/Speculation]

I like to imagine GTM isn't that shady... but as of yet there is still no proof that they don't work. And no one has even contacted Tony to get a set (Which I'm sure he wouldn't have a problem getting at least a passenger side one made up) for the purpose of R&D to see IF any changes needed to be made to that side because it would help bump his own sales.