The MagnaFlow Overland Series Cat-Back Performance Exhaust System #19544 for the Lexus GX470 4.7L V8 (2003-2009), GX460 4.6L V8 (2010-2023) and Toyota 4Runner 4.7L V8 (2003-2009) adds MagnaFlow’s signature deep tone and dyno-proven performance to your overlanding rig.