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      08-23-2021, 05:52 AM   #1
FiEXHAUST
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G80 / G82 M3 / M4 Sporty Note w/ Fi EXHAUST Valvetronic Catback and Downpipe

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BMW G80 / G82 M3 / M4 Fi EXHAUST Valvetronic Cat-Back with Quad Carbon Fiber Tips & Catless Downpipe





Fi EXHAUST BMW G80 M3 / Competition product page: https://bit.ly/3gpJc3n

The M Town member and long awaited next generation M3/M4 has been transformed to offer a high-performance driving sensation and sportier sound characteristic.

Frequency Intelligent Exhaust provides the best of both worlds. It’s the perfect exhaust system for those who want to cruise in comfort and experience sport car resonance and Fi EXHAUST signature frequency at a press of a button.

The Fi EXHAUST has been rigorously tested to offer the highest performance and optimal sound frequency. The exhaust is built from a high grade stainless steel material and masterfully detailed and finished using TIG welding producing high quality and clean welds.

When valves are closed exhaust gasses are routed through the muffler resulting in a low-profile comfortable drive. When valves are fully open for maximum flow and performance it creates an intense sports car sound with signature Fi EXHAUST frequency.

Fi users can regulate a desired sound volume from quiet comfort to sporty aggressive using an OEM settings. In sport mode valves are opened, which improves exhaust gas flow, increases sound volume and spices up exhaust note

Fi users can also experience our vibrant exhaust sound on their own terms using our cutting edge Fi Pro Control System. Our sporty 2 button style remote control is lightweight, ergonomic and offers an intuitive way to switch between Street and Race sound profiles. The design is smooth and offers a nice grip, and the aluminum alloy ring can be customized in 14 different colors or switched to forged carbon rings with a unique marble-like texture.

Take the personalization further with our Fi Pro App available both App Store and Google Play. Search “Fi EXHAUST Pro '' to download and monitor real-time valve status with the help of our intuitive and user friendly interface. Assign Auto Mode preferences based on RPM/Speed/Turbo Boost. When Auto Mode is activated the system will intelligently open valves depending on the auto mode method and set data units, for example, at 3000 RPM.

Fi Pro Control System also addresses the CEL issue after changing to an aftermarket exhaust. On an engine startup Fi users can activate Auto Scan function to instantly scan and delete any CEL related to catalytic converter. This function can be activated on Fi Pro App and is available on selected car models. Manual debugging is also available to remove unwanted CEL related to catalytic converters.

BMW G80/G82 M3/M4 features:
  • Full valvetronic exhaust system, which includes a front pipe, mid X-pipe,
    valvetronic muffler and catless downpipe.
  • Manufactured from a high-grade T304 stainless steel.
  • Expert TIG welding techniques.
  • Weight reduction compared to OEM/Stock exhaust.
  • Street/Race exhaust sound profiles.
  • Rigorously sound tuned exhaust sound frequency.
  • Horsepower increase and low back pressure.
  • Guaranteed bolt-on fitment using precision crafted design.
  • Exhaust tips are available in 5 colors: silver, titanium blue, diamond black, gold and with carbon fiber.
  • Fi intelligent ECU exhaust valve control valve flaps can be controlled using OEM stock settings.
  • Fi intelligent ECU exhaust control valve flaps can also be controlled with Fi Pro Control System (optional).
  • Compatible with OPF and non-OPF models.
  • Available for G80 / G82 M3 / M4 / Competition models.
































BMW M3 G80 Competition (NON-OPF vehicle)




BMW M3 G80 Competition (OPF vehicle)








Last edited by FiEXHAUST; 10-20-2021 at 03:29 AM..
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      08-24-2021, 12:25 PM   #2
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holy rasp
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      08-24-2021, 12:35 PM   #3
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Beautiful workmanship; unfortunate that it doesn't sound great
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      08-24-2021, 12:42 PM   #4
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Looks nice unfortunately sounds like crap
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      08-24-2021, 03:41 PM   #5
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That rasp! Either you're a fan of it or you're not. This is very different sounding than other setups I've been seeing/hearing for the S58.
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      08-24-2021, 04:42 PM   #6
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Quote:
Originally Posted by 4everkidd View Post
Beautiful workmanship; unfortunate that it doesn't sound great
understatement- it sounds 💩
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      08-24-2021, 05:20 PM   #7
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I don't dislike this one, but under no circumstances should it be driven with valves closed!
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      08-25-2021, 12:29 AM   #8
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What is with this engine that it's so difficult it make it sound good. Comparing to my M340 with the MPE it didn't sound awful but I was expecting a deeper growl and some loud pops and bangs
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      08-25-2021, 06:59 AM   #9
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Those quality clean welds separated on my 15k mile exhaust. I'm not too sure how quality that is
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      08-25-2021, 07:49 AM   #10
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Quote:
Originally Posted by Casone238 View Post
What is with this engine that it's so difficult it make it sound good. Comparing to my M340 with the MPE it didn't sound awful but I was expecting a deeper growl and some loud pops and bangs
Back to the drawing board!

I am new to BMW but I can't help notice this as well. Even the previous F80 exhausts sounded like crap, at least majority of the ones I've listened to. Is it due to the engine being an inline?
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      08-25-2021, 08:55 AM   #11
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Quote:
Originally Posted by iviegatron View Post
Back to the drawing board!

I am new to BMW but I can't help notice this as well. Even the previous F80 exhausts sounded like crap, at least majority of the ones I've listened to. Is it due to the engine being an inline?
I don't think it's an inline issue as legendary Japanese twin turbo inlines (RB26DETT and 2JZGTE) sound great, at least ones I've heard.
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      08-27-2021, 05:43 AM   #12
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Our performance exhaust system removes OPF restrictions and offers more excitement you'd expect from the M division model. With valves open more of the S58 engine sound is unlocked and sound volume is increased by 18% compared to valves closed.

Last edited by FiEXHAUST; 08-27-2021 at 05:57 AM..
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      08-27-2021, 09:06 AM   #13
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Quote:
Originally Posted by iviegatron View Post
Back to the drawing board!

I am new to BMW but I can't help notice this as well. Even the previous F80 exhausts sounded like crap, at least majority of the ones I've listened to. Is it due to the engine being an inline?
They sound great. See above.
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      09-24-2021, 04:28 AM   #14
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M Performance sound unlocked with pops on M4 G82 model with our full catless system. No remap was performed.
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      10-20-2021, 03:30 AM   #15
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Detail shots of our performance exhaust setup are now available.











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      10-20-2021, 09:50 AM   #16
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      10-21-2021, 10:00 PM   #17
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AutoTopNL reviews our complete performance setup with Sport 200Cell downpipes. Do you prefer a catted or catless exhaust setup better?
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      11-22-2021, 10:05 PM   #18
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AutoTopNL reviews how the new M Sound Control after the BMW Remote 21-07 OTA software update changes the exhaust sound. According to AutoTopNL the valve flaps open up sooner and more linearly with the OTA update.

The update also changed the way the exhaust sound when you let off the throttle. It ends with a base blow though the exhaust. Even with the OPF equipped because AutoTopNL had the pleasure to test drive BMWs own M4 G82 with an update before the public release.
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      11-29-2021, 08:53 PM   #19
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M3C G80 fitted with Fi EXHAUST valvetronic catback and quad tips with carbon fiber.
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      12-01-2021, 02:46 AM   #20
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Comparison sound check with Valves ON/OFF between stock exhaust system and Fi EXHAUST full catless system.
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downpipe, exhaust, g80, g80 exhaust, g82, g82 m4, m3 g80, valvetronic

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