The ROUSH RHD, (Right Hand Drive), modification kit for the R2300 Phase 1 and R2300 Phase 2 systems, part numbers 421823 and 422001 respectively, allows owners of RHD Mustang GT's the ability to infuse their Mustangs with up to 727 horsepower. This kit is only needed for RHD Mustangs, and only contains the additional parts needed to install the ROUSH R2300 on factory RHD built Mustangs.
The ROUSH RHD modification kit allows owners of right-hand drive 2015-2017 V8 Mustangs to install ROUSH Phase 1 and Phase 2 Supercharger Kits. Free shipping.
2015-2017 5.0L RHD Mustang, Manual and Automatic Transmission, Coupe and Convertible

Fitment:
Ford Mustang GT 2015
Ford Mustang GT 2016
Ford Mustang GT 2017
Ford Mustang GT 50 Years Limited Edition 2015
Ford Mustang GT Premium 2015
Ford Mustang GT Premium 2016
Ford Mustang GT Premium 2017