Fi EXHAUST
REVIEW

Aftermarket automotive community thoughts about Fi
"They look good. They sound mean. And they are quality made."

“When it comes to the sound. For me there’s nothing better than Fi EXHAUST. They look good. They sound mean. And they are quality made.” - Zedsly .  

Zedsly installed a full catless Fi EXHAUST valvetronic exhaust system with carbon fiber quad tips on his previous BMW M5 F90. By removing cats he was able to significantly reduce back pressure, which lead to increased power and sound volume, and unmistakable aggressive Fi EXHAUST frequency. It allowed Gorilla Performance to increase horsepower from 600hp to insane 800hp

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