I guess my question would be, does the R/T have the air pressure sensors on the stock wheels? If so, I would think you would need them on the SRT8 wheels. Where I work we have a 2007 Impala with the sensors, and it has been nothing but a headache. We asked the dealer to shut off that option, but they advised they couldn't do that. Now, my wife's 2007 Nitro has them, and they have worked beautifully.

Anyway, I would say that if the car came with them as OEM, you would need to have them working on the SRT8 wheels. Just my , and hopefully another member much more knowledgeable than I will chime in soon.