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Description
034Motorsport Billet Diverter (Bypass) Valve Upgrade for VW/Audi / 1.8T / 2.2T / 2.7T / 4.2T034Motorsport is proud to offer our Billet Aluminum Diverter Valve for various Audi, Porsche, and Volkswagen vehicles! This high quality, performance engineered diverter valve is designed to replace the factory plastic diverter valve, which is a common source of boost leaks. Unlike the OEM valve, which uses a fragile rubber diaphragm that is prone to failure, the 034Motorsport Diverter Valve features a high performance spring and piston design. This
034Motorsport is proud to offer our Billet Aluminum Diverter Valve for various Audi, Porsche, and Volkswagen vehicles! This high-quality, performance engineered diverter valve is designed to replace the factory plastic diverter valve, which is a common source of boost leaks. Unlike the OEM valve, which uses a fragile rubber diaphragm that is prone to failure, the 034Motorsport Diverter Valve features a high-performance spring and piston design. This means that the valve lasts much longer, and is capable of handling increased boost pressure.
Designed to be an affordable, no compromise replacement for the factory diverter valve in 1.8T, 2.2T, 2.7T, and 4.2T applications, the 034Motorsport Bypass Valve features 1" inlets and outlets.
The 034Motorsport Bypass Valve is fully serviceable and rebuildable.
Features:
- Billet Aluminum Construction
- Available in Polished Aluminum or Black Anodized Finish
- Proven High-Performance Spring & Piston Design for Performance & Durability
- Superior Valve Response
- Ideal for Tuned & High-Boost Applications
- Fully Serviceable & Rebuildable
- Direct Replacement for Factory Diverter Valve
Sold Individually.
| Make | Model | Chassis | Years | Engine |
|---|---|---|---|---|
| Audi | A4 | B5 | 1996-2001 | 1.8T |
| Audi | A4 | B6 | 2002-2005 | 1.8T |
| Audi | A6 | C5 | 1998-2004 | 2.7T |
| Audi | Allroad | C5 | 2001-2005 | 2.7T |
| Audi | S2 | B3 | 1991-1996 | I5 20VT-3B |
| Audi | S2 | B3 | 1991-1996 | I5 20VT-ABY |
| Audi | S4 | B5 | 2000-2002 | 2.7T |
| Audi | S4 | C4 | 1992-1994 | 2.2T 20V |
| Audi | S6 | C4 | 1995-1997 | 2.2T 20V |
| Audi | RS2 | B4 | 1994-1996 | I5 20VT-ADU |
| Audi | RS4 | B5 | 2000-2002 | 2.7T |
| Audi | TT | 8N | 2000-2006 | 1.8T (180HP) |
| Audi | TT | 8N | 2000-2006 | 1.8T (225HP) |
| Audi | 100 | C3 | 1989-1991 | I5 20VT-3B |
| VW | Golf | MkIV | 1999-2005 | 1.8T |
| VW | GTI | MkIV | 1999-2005 | 1.8T |
| VW | Rabbit | MkIV | 1999-2005 | 1.8T |
| VW | Jetta | MkIV | 1999-2004 | 1.8T |
| VW | GLI | MkIV | 1999-2004 | 1.8T |
| VW | Passat | B5/B5.5 | 1998-2005 | 1.8T |
| VW | Beetle | MkIV | 1998-2010 | 1.8T |
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
4.0 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Vivid color and a wonderful audio sound!
Size: 24
Wow. With this price, the color quality of this monitor is amazing. Most surprising part is the speaker! The sound is so nice! My son use it to link his Chromebook to goto YouTube and enjoy to classic music played by Berlin philharmonic, wow!!! This is really a wonderful monitor!! Really a great product.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Nice monitor great value
Size: 24
I liked this so much I got 2. Nice size for a monitor, looks good, works good. No sound, camera or mic, so I bought a speaker and camera on Amazon too.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
A quality product
Size: 22
great picture quality
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Koorui 34E6UC (34" 3440×1440, 180 Hz, 1000R curved VA panel) — But Missing Info Buyers Should Know
Size: 34"/WQHD/1000R/HDR400
Review:
I purchased two of the Koorui 34‑inch curved ultrawide monitors for a dual‑monitor setup, and so far I’m very pleased with them. The picture quality is sharp, the brightness is solid, and the “Normal” color preset looks natural without any adjustments. For the price, these 34‑inch panels deliver very good performance.
That said, there are a few important details the product listing and reviews don’t mention — and knowing them ahead of time would have saved me some stress during installation.
1. YES, the 34‑inch model DOES include stand‑offs (spacers)
This is not mentioned anywhere in the listing, and even Amazon’s Rufus incorrectly says they are *not* included. They actually come in the small accessory packet with the manual.
If you’re mounting these monitors, you will need those stand‑offs because of the recessed VESA pattern. They are already in the box — just not advertised. I rushed to order a separate spacer kit because the listing didn’t mention it, so I’m putting this here to help the next person avoid that.
2. One of my monitors flashed briefly until I disabled FreeSync
On one of the two monitors, I noticed a quick bright “flash” when moving the mouse. Turning off Adaptive Sync / FreeSync in the monitor’s menu fixed it instantly. The other monitor didn’t have this issue, so it seems to vary by panel.
Not a defect — just something to be aware of if you see flicker or brightness pops.
3. Color and brightness match well once set manually
After setting both monitors to the same brightness, contrast, and color mode, they match very well side‑by‑side. The “Normal” color preset looks the most accurate on these VA panels.
4. Build quality and packaging are solid
Both monitors arrived well‑protected, and the included cables work fine. The stand is basic, but I’m using monitor arms, so that wasn’t a factor for me.
5. Too early to comment on long‑term support or durability
I’ve only had these monitors set up for a few hours, so I can’t speak yet to long‑term reliability or how responsive Koorui’s support is. I’ll update this review if anything changes over time.
Bottom line:
These 34‑inch Koorui ultrawides are excellent for the price, especially for gaming or a dual‑monitor setup. Just be aware that:
- Stand‑offs ARE included (despite the listing not saying so)
- FreeSync may need to be turned off on some units
- Picture quality is great once you match settings manually
- Long‑term support is still unknown
If the listing had mentioned the included spacers, it would have saved me a last‑minute order — so I hope this review helps the next person.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Awesome monitor! (my 3 year review)
So I've owned this monitor for about 3 years now and here's what I have to say about this monitor. The picture quality is actually really good. I got the 1080p version and I mostly use it with my Xbox series x and occasionally will use it for some lighter gaming on my gaming PC both work effortlessly well. The screen size is okay I think next time if it's in the budget I'll buy there 34 inch curved monitor. But for right now I'm sticking with this monitor until it dies and so far it's running strong 3 years later. Right now this monitor cost $80 which is an absolute steal at that price. I paid $130 for it and would say it's absolutely worth getting. There's no flickering. The setup process went smoothly. It's compatible with both my console and gaming PC! I absolutely love this monitor! I don't own the 27 inch version but I'd recommend going with either that size or bigger if you can afford it.
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Reviewed in the United States on December 10, 2025
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