Description
From the factory, the BMW G90 / G99 M5 features an exhaust that mutes the signature M powerplant. With oversized resonators, OPF filters (on European models), and fake speaker-generated audio, the stock system dilutes the authentic sound and emotion expected from an M car.
The Fi Exhaust Valvetronic System restores that raw, mechanical presence—transforming the car into what BMW intended. Engineered for real sound, real power, and full driver control.
Included in the System
- Front Pipe
- Mid X-Pipe
- Valvetronic Muffler
- Quad Tips (choice of Silver, Titanium Blue, Diamond Black, Gold, or Carbon Fiber)
- Fi PRO App Remote (OBDII)
Optional: 200-Cell Sport Downpipe available for increased power and sound.
Performance & Sound
- Delivers a refined 101 dB tone with valves closed
- Produces a race-bred 122 dB roar with valves open
- During testing, recorded +34 dB over stock Euro-spec (88 dB)
- System enhances exhaust scavenging and tone with its single-chamber muffler and free-flowing X-pipe
- Expect 5–10% average power gains when installed with catless or sport downpipe
- Significantly reduced backpressure improves throttle response and high-end performance
Fi PRO Remote Control System (OBDII Included)
- Includes intelligent control box, mobile app, and remote
- Manually or automatically control valve operation
- Real-time valve position monitoring via the Fi App
- Assign auto mode to open/close valves based on RPM, speed, or boost
- Each button on the remote is assignable for precision control
- Features a sleek grip and a ring
Optional 200-Cell Downpipe
- High-flow metallic catalytic converters
- Increased exhaust velocity with larger cells
- Converts stock 400–800 CPSI converter into high-flow 200 CPSI
- Improves overall airflow and horsepower
- Retains some backpressure for torque at low RPMs
- No refractory wool = enhanced durability over time
Quad Tip Options
- Silver – Standard finish with Fi EXHAUST logo
- Titanium Blue – Heat-treated gradient: silver to blue/purple
- Diamond Black – Glossy electroplated finish
- Gold – Bright gold electroplated shine
- Carbon Fiber – High-temperature-resistant material
Fitment
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Compatible with BMW G90 M5 Sedan (2024–Present) and BMW G99 M5 Touring (2024–Present)
Built to Perform, Designed to Command Attention
The Fi Exhaust System for the G90 / G99 M5 isn’t just louder—it’s smarter, more aggressive, and driver-focused. Whether you want a refined touring tone or an all-out race roar, this system puts control in your hands. With optional upgrades like a 200-cell downpipe and forged carbon accessories, this isn’t just an exhaust—it’s a transformation.
