I can't remember seeing it hit 6750 rpm until after I installed the Borla and installed the X-Stream Air Filter K&N Filters RX-4870 with trim ring support mod. It does pull better.
White Platinum Tricoat Metallic
2012 Ford Focus Titanium
Handling Package Nitto Motivo's
Borla Exhaust with UltraQuiet resonator
K&N X-4870. Steeda RSB