The Jayflight SLX has taken the place of the Jayflight Swift, which is a lower priced variant of the Jayflight with less standard features which may explain why there is no cable hookup. On the standard and options page, the Jayflight lists "cable and satellite tv hookup" as standard, while the SLX does not.
They have not updated the website yet with some of the recent changes. Another example is the Jayflight 26RLS has been replaced by the 27RLS, but there is no 27RLS on the website yet, even though some dealers have them for sale now.
2004 Chevy 2500HD Crew Cab 6.0l, 4.10r
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