It depends how loud you want it. If you are looking for a deep tone but not wake up your neighbors then go with two mufflers. But if you use one muffler, make sure you place that muffler toward the rear of the car, otherwise you will get some drone.
2012 Ford Focus SE Hatchback Race Red. 203A Spec. Window Tint. K&N Typhoon CAI. FSWerks Race Exhaust. Weathertech Digital Fit Floormats. HIDs with Projectors. Build Date: 2/14/2012
Active Duty US Army. MOS 91E (Machinist). OEF Vet.