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Description
Fi Exhaust Cat-Back Exhaust System For Audi RSQ8 2021+Audi RSQ8 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 from 5 10% after installing a full
Audi RSQ8 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 from 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.
Depending on your car model and exhaust setup, switching exhaust valves between street and race modes may be achieved using a factory exhaust/sport button, drive modes, or by selecting the Fi Pro remote control upgrade. Please note that not all options are available for every model. Refer to the available section and contact our representative for confirmation.
The unique sound and performance for Audi RS Q8 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:
Non-OPF Version:
Mid Pipe + Valvetronic Muffler (Fit Both OPF/Non-OPF version) (Compatible with OEM elect. Valve - Stock Setting) (AD-Q8RS-CBE)
OPF Version:
Mid Pipe + Valvetronic Muffler (Fit Both OPF/Non-OPF version) (Compatible with OEM elect. Valve - Stock Setting) (AD-Q8RS-CBE)
Downpipes (Optional):
Non-OPF Version:
1.Ultra High Flow DownPipe (LM-URUS-NCAT)
2.Sport 200 cell DownPipe (LM-URUS-CAT200)
OPF Version:
1.Ultra High Flow DownPipe (OPF Version) (LM-URUSF-NCAT)
2.Sport 200 cell DownPipe(OPF Version) (LM-URUSF-CAT200)
Fi EXHAUST Pro Remote Control System (Optional):
OBD2/Mobile APP Remote Control System Module + EV Actuator*2 (R2020OBD + ACT-BN*2
+ OBD-CAB-BNE)
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 from 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.
Depending on your car model and exhaust setup, switching exhaust valves between street and race modes may be achieved using a factory exhaust/sport button, drive modes, or by selecting the Fi Pro remote control upgrade. Please note that not all options are available for every model. Refer to the available section and contact our representative for confirmation.
The unique sound and performance for Audi RS Q8 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:
Non-OPF Version:
Mid Pipe + Valvetronic Muffler (Fit Both OPF/Non-OPF version) (Compatible with OEM elect. Valve - Stock Setting) (AD-Q8RS-CBE)
OPF Version:
Mid Pipe + Valvetronic Muffler (Fit Both OPF/Non-OPF version) (Compatible with OEM elect. Valve - Stock Setting) (AD-Q8RS-CBE)
Downpipes (Optional):
Non-OPF Version:
1.Ultra High Flow DownPipe (LM-URUS-NCAT)
2.Sport 200 cell DownPipe (LM-URUS-CAT200)
OPF Version:
1.Ultra High Flow DownPipe (OPF Version) (LM-URUSF-NCAT)
2.Sport 200 cell DownPipe(OPF Version) (LM-URUSF-CAT200)
Fi EXHAUST Pro Remote Control System (Optional):
OBD2/Mobile APP Remote Control System Module + EV Actuator*2 (R2020OBD + ACT-BN*2
+ OBD-CAB-BNE)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 1
My last Timex and why.
Color: Black/Gray/Digital, Color: Black/Gray/Digital
New edit. Upon further reflection, I’ve only had, a couple of exploratory years with Swatch excepted, Timex watches.
My first one was when my mother replaced the Chicita Banana “tickity tock” sticker with a real Timex wind up watch before my first Cub Scout camp.
In addition to many other Timex products, I’ve had these Ironman watches for the past 25+years. Usually the band wears out and can’t be replaced after three or four years. This particular watch fell apart less than six weeks old. It wasn’t hit by impact. It just came apart while I was driving down the road. I wonder if they’ve changed their manufacturing process. See photo for details. What is truly infuriating is that rather than replacing it, because it is truly a warranty issue, the told me to ship it to their offshore repair facility (which could take 3-5 months) and pay what might be half the value of the watch. Things happen, but the intentional friction they have created to avoid their obligations borders on malpractice and speaks to their indifference toward customer experience and subsequent lifetime value.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Good watch
Color: Black/Black/Digital
Bought for my 8 yo, durable
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Reviewed in the United States on October 19, 2025
★★★★★ 5
As expected
Color: Gray/Gray/Digital
Just an old school digital timex. Tried and true. Has both 12hr and 24hr function on the time setting. Has a standard stop watch and timer. The battery is great, just as it always is on a timex. Good water resistance and very easy to use. Overall very good watch for the price!
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Reviewed in the United States on July 6, 2025
★★★★★ 2
Can’t read numbers
Color: Gray/Gray/Digital
Numbers are too small to tread on a 44mm watch
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Love the Timex Ironman Shock watches!!
Color: Black/Black/Digital
I really like the Timex Ironman Shock watches. They are very durable and reliable. Simple to use and modeled after the. Original Ironman watches of the late 80s and 90s.
Buttons are clearly marked and easy to press.
They used to make many colors of this Shock model of the watch inc a cool shiny red color my wife still has .
I have been a runner many many years and at 65, am still out although a lot slower than my 20s. But Timex Ironman watches have. Been my constant companion on the roads and track for 35 years now.
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Reviewed in the United States on March 27, 2026