Ok guys and gals my 2013 GT is pretty much stock, steeda cai and tune borla s tyoe axleback and lethal performance 2 3/4 ota pipes the borlas sound good but i want a little more volume, and i have a chance to tra6se for a roush axleback those woth each i would like your opinion on the roush vs borla please or should i just keep the borla.