Driveshafts 99 Tahoe

[Hall99]

Hey.

I was tossing some ideas around. And say with a 6" suspension and a 2 or 3" BL, on a 99 Autotrac Tahoe... What do i do about driveshafts? New ones? Lengthen them? How much does it cost to lengthen stock driveshafts, just an estimate.

Does anyone know?

Thanks