2011-2014 Mustang Talk
YouTube - 2011 Mustang 5.0 on dyno
I think the GT500 axle backs sound at WOT. First time I've heard them from outside of the car.
Stock with no tune Airaid CAI, GT500 axlebacks, 3.55 rear end, 6 speed MT-82, dynoed in 5th gear (topping out at 6500 rpm due to 146 mph speed limiter. Redline...