FI Exhaust F80 M3 & F82 M4 Evolution Valvetronic Exhaust Carbon Fiber improves the dispersion of the

improves the dispersion of the heat generated by the repeated

Single-pipe design eliminates cheap “weed-eater” sound from factory exhaust

OEM TPMS Compatible

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MATERIAL - SUS

FI Exhaust F80 M3 & F82 M4 Evolution Valvetronic Exhaust Carbon Fiber improves the dispersion of theFrequency Intelligent Valvetronic Exhaust System technology offers our cutting edge intelligent ECU exhaust control valve, with an emphasis on the optimization of both acoustics and performance. It is a testament to our philosophy of the ultimate union of comfort and performance experience for the driver and passengers. When the valves are fully open for maximum flow and power, it creates an exotic tone and allows for high performance. When the valves