Roush Performance

Converts the following ROUSH Passive Quad Tip Exhausts to Active Exhaust Systems: 5.0L V8 Passive Exhaust (Fastback) - Part #421920 5.0L V8 Passive Exhaust (Convertible) - Part #421921 2.3L I4 Passive Exhaust (Fastback) - Part #421922 2.3L I4 Passive Exhaust (Convertible) - Part #421923 OE Quality Engineering and construction for long life Touring, Sport, Track and Custom settings for 4 exhaust "systems" out of the box Custom programming feature through included WiFi OBD2 interface to Roush Apple iOS application Allows nearly infinite exhaust tone configurations. "MAP" and build your own exhaust note! Brushed Aluminum Console Mounted 4 Mode Selector Switch Easy Plug and Play Installation Includes all necessary wiring, modules, hardware, and instructions