SKU: 95339040810

Fi Exhaust | BMW G8x M3/M4 (Competition) Cat-back Exhaust System

Sale price$2157.03 Regular price$2396.70
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Fi Exhaust | BMW G8x M3/M4 (Competition) Cat-back Exhaust System**Please Note: Ships in 3 4 weeks** BMW G8x M3 M4 (Competition) Fi Exhaust (Frequency Intelligent Exhaust) high performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high grade T304 stainless steel that offers an exhilarating soundtrack. The Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is

**Please Note: Ships in 3-4 weeks**

BMW G8x M3/M4 (Competition) Fi Exhaust (Frequency Intelligent Exhaust) high-performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high-grade T304 stainless steel that offers an exhilarating soundtrack.

The Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is expected to increase 5-10% after installing a full catless system, which includes a valvetronic catback and ultra-high flow downpipe.

When valves are closed exhaust gasses are routed through the muffler resulting in a low-profile comfortable drive. However, when the valves are fully open an intense and sporty soundtrack is produced.

Switching between street and race sound profiles can be done using factory exhaust/sport button or drive mode.

The unique sound and performance for BMW G80 M3 / Competition is achieved through individually designed muffler internals that are fabricated to offer an ultimate driving experience.

Please note each part of the Fi EXHAUST system needs to be ordered separately.
Different exhaust parts are offered depending on the vehicle version.

Please note that the actual product may vary in appearance depending on the year of the car and area. The exhaust system is also subject to changes to the design over an extended time period. Product pictures are for illustration purposes only.


Catback Exhaust:

OPF Version:
Front Pipe + Mid X-Pipe + Valvetronic Muffler + Quad Silver Tips (Compatible with OEM elect. Valve and Driving modes: Comfort/Sport/Sport Plus)
No Remote Control Included


Downpipes (Available in our store):
1.Ultra High Flow DownPipe 
2.Sport 200 cell DownPipe 

Tips(Optional):
1.Quad Tips in Titanium Blue are heat colored to achieve a beautiful color transition from silver to blue and purple color combination.
(+€500,00)

2.Quad Tips in Diamond Black. After electroplating and double polishing process a shiny and glossy color surface is achieved on diamond black tips. Each tip is engraved with Fi EXHAUST logo.
(+€500,00)

3.Quad Tips in Gold. After electroplating and double polishing process a shiny and gold color surface is achieved on gold tips. Each tip is engraved with Fi EXHAUST logo.
(+€625,00)

4.Quad Tips with Carbon Fiber. Made out of a high-grade carbon fiber that can withstand high temperatures. The inserts come standard in silver.
(+€940,00)

Additional costs may be charged by Customs upon arrival in your country.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95339040810

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★★★★★ 5
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Reviewed in the United States on May 28, 2026
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Liana
Grantham, US
★★★★★ 5
Comfortably and works
Color: Original Grey
❤️ I used these with magnesium lotion on my heals for 3 nights, soaked my feet every morning and cracked heals are gone!
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Reviewed in the United States on April 25, 2026
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T. U.
Charlottesville, US
★★★★★ 5
A game changer for deep heel cracks and psoriasis!
Color: Original Grey, Color: Original Grey
If you have deep cracks or psoriasis on your heels, get these they are a total game changer! They hold in Vaseline and topical meds perfectly while I sleep, providing much needed relief without getting all over my sheets. My heels are healing faster and my callouses are softer and don’t split open because the moisture is trapped against the skin all night with the built in gel cushion lining instead of rubbing off. So much hydration. The fact that it is a 2 pack is perfect because while one pair is being washed and drying, you still have a set to wear. Very soft, stretchy, breathable, and easy to sleep in. I highly recommend them!
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Reviewed in the United States on January 31, 2026
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James P McMahon
Dallas, US
★★★★★ 5
Great item!!
Color: Original Grey
These socks actually work!!! No more split skin on my heels!!
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Paula S
Pawtucket, US
★★★★★ 3
Quality and Price
Color: Original Grey
For me a little tight on my ankles
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