You mean like the signifcantly more expensive Boss 302 that was consistently shown to be slower than the 1LE in similar comparisons?
That is what the objective tests said.... Ford Mustang Boss 302 vs. Chevy Camaro SS 1LE - Popular Mechanics
2013 Mustang GT Premium Convertible
Candy Apple Red, Auto, FRPP Tune, GT500 Axlebacks, KONI Yellow Sport (adjustable dampers), FRPP Front and Rear swaybars, Custom Removable 4 Point Roll-Bar, BOSS 302 Low Expansion Brake Lines, Roush side splitters, GT500 spoiler, Redline Tuning hood struts,18" Ford Chromed Aluminum Wheels (9R3Z-1K007-A), Michelin Pilot Super Sports - 235X50X18
2011 Mustang V6 Premium Convertible - Gone