You could always try the this: I was going to do this but ordered the Borla 140400. From what have read on the forum many people like the resonators.
Vibrant muffler 10633
Vibrant resonator 1141 or 1793
or the borla with resonator 1141 or 1793.
White Platinum Tricoat Metallic
2012 Ford Focus Titanium
Handling Package Nitto Motivo's
Borla Exhaust with UltraQuiet resonator
K&N X-4870. Steeda RSB