Just got my 2012 GT500 dynoed at Performance Dyno in NH. I've got the Steeda Pulley, Cold Air Intake, and a lethal performance off road X pipe and an email tune from Steeda. It made 540 hp and 541 tq. Pete said that the pressure was low today and corrected it made 551HP and 554 TQ. Not bad for a pullied car without cats! Pete said he probably couldn't get any more out of it and that Steeda did pretty well. :dancenana:
Here is the dyno run video
Dyno run of my 2012 GT500 - YouTube
Here is the dyno run video
Dyno run of my 2012 GT500 - YouTube