Aftermarket automotive community thoughts about Fi
BMW M5 To Sound Louder Than A Supercar On DEMAND

BMW specialist, Vehicle Virals wants an exhaust system that allows his 1 of 50 limited edition PURE METAL F10 M5 to sound like a legit super car. Replaced the original M Performance exhaust with Fi full catless exhaust system for better sound, more horse power, and the daily usibility. Watch the video to see the full transformation.

"If you can hear the difference from a video, you can definitely hear the difference in person."