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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
4.6 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Inexpensive organizational tool
Color: A-silver
What do you do with your wet kitchen sponge? You can't store it in a drawer or cabinet because it's wet, and you need to keep it handy because it's your primary kitchen cleaning tool. This caddy offers a practical, low-cost solution. I like the quick, non-permanent suction cup installation as it allows for easy removal if I need to access the entire sink. I may eventually use the adhesive strip once I find the exact location that works best for me, and it's nice to have both options. I also like the additional brackets for the sink strainer and scrubbing brush. Overall, I think this caddy is a very handy and inexpensive solution for managing the inevitable kitchen sink clutter.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Reinvented the wheel
Color: A-silver
Top quality item. The stainless steel is sturdy and attractive. I like the extra bar at the front for drying your dishcloth. Better mounting system.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
great shelves
Color: C. White - Modern Minimalist Style, Number Of Shelves: 3, Size: 36inches
These are a a great set of floating shelves! They were easy to install, feel sturdy, and look clean and modern on the wall. The set of three is perfect for displaying decor, photos, plants or small storage items while adding extra space without taking up room. Great quality, stylish, and a simple way to upgrade any space. They work perfect for my figurines to be displayed.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great shelves
Color: A. Black - Universal Classic Style, Number Of Shelves: 3, Size: 22.5inches
Easy to hang and look great in my office. I love the little divot along the edge. Helps to keep pictures from sliding.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Exactly what I needed for my bathroom refresh.
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches, Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches
I bought these floating shelves in the color Rustic Brown to replace a bulky storage shelf that was making my bathroom feel cramped, and they completely transformed the space. The wood finish looks much more expensive than I expected, and once installed they gave the bathroom a clean, modern, spa-like feel without taking up visual space.
Installation was straightforward overall. I mounted one screw in the center into a stud and used drywall anchors for the remaining hardware, and the shelves feel very sturdy. They sit flush against the wall and don’t sag or wobble. I especially love how slim they are while still being deep enough to hold everyday bathroom items, decor, candles, skincare, and small baskets.
The color worked perfectly with my bathroom vanity and mirror trim, and the floating design instantly made the room look more organized and intentional. Huge upgrade for a small space.
Definitely recommend if you want functional storage that also looks elevated and minimalist.
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Reviewed in the United States on May 30, 2026