I'm turning my RCSB 4x4 Sport into an R/T too (no stinking badges though)
Looks almost identical inside and out, only the underside reveals a front diff and drive shaft if you can get low enough to see under my Ground Force 2/3 drop
I went one step further on performance and have a 3000 stall torque converter, eventually to have 4.56 gears too, already have several 13 second time slips
I use my 4WD in the Winter and for an awesome awd launch at the track on 4 drag radials
I want some R/T 22" Alcoa's Bad!!!
but for now I painted my stock 20's Black with PlastiDip, makes my 305/50R20 Grapplers look extra "Beefy"