BMW F8X M3 M4 w/ Fi Exhaust — SoundCheck & Start up & Revs

Video by Autotalent
Exhaust come with valve as standard including our intelligent ECU system which control valve by engine RPM or remote control.

Video Fitted with FI Complete Exhaust System includes:
Catback Valvetronic Muffler + Quad Tips
Catless DownPipe.
For more product information
Please visit
http://www.fi-exhaust.com/product/bmw/f82_m4.html

Or email to us for inquiry: ([email protected])([email protected])

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