08 Challenger can sell you a set. If you don't want to go thru Joe here's the # Functional Factory Hood Scoops for R/T’s
Full Description OEM functional hood scoop bezels Challenger SRT8 and R/T’s. These are the fully functional hood scoop bezels that allow air to enter the engine compartment. Use these to replace the “dummy” hood scoops on your R/T!
This includes both the LH and RH hood scoop bezel. PT# 55399338AB
Here is a link to a do it yourself video on easy installation of replacement hood scoops for the dummies.