SKU: 72965730624

HELIX CFMK165 HYU.1 (FDM) - 6.5" Hyundai Speaker Adapter Rings

Sale price$71.10 Regular price$79.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

HELIX CFMK165 HYU.1 (FDM) - 6.5" Hyundai Speaker Adapter RingsHELIX CFMK165 HYU. 1 (FDM) FlexMount is our proprietary mounting system, based on specially developed adaptor rings. These turn your universal 6. 5" 165 mm HELIX COMPOSE midbass with FlexMount165 technology into a car specific speaker, allowing an easy and acoustically optimized installation in the original mounting position of the vehicle. The adaptors are manufactured in house using state of the art FDM 3D printing process. The special material used

HELIX CFMK165 HYU.1 (FDM)

FlexMount is our proprietary mounting system, based on specially developed adaptor rings.
These turn your universal 6.5" / 165 mm HELIX COMPOSE midbass with FlexMount165 technology into a car-specific speaker, allowing an easy and acoustically optimized installation in the original mounting position of the vehicle.

The adaptors are manufactured in-house using state-of-the-art FDM 3D printing process. The special material used is perfectly adapted to automotive applications and is characterized in particular by its extremely high strength and rigidity. Due to the special material properties, our FlexMount adaptors are extremely resistant to weathering, UV radiation, oils and greases. In addition, it covers the extremely wide automotive temperature range from -40° C to over + 90° C, which guarantees durability and dimensional stability even under the most difficult conditions.

Features

  • Vehicle-specific adapter ring for a professional and acoustically optimized integration of the 6.5” / 165 mm HELIX COMPOSE midbass with FlexMount165 technology in the original mounting location of the vehicle
  • Easy installation and secure fixation due to torsion-resistant adaptor ring
  • Complex construction for high stability, durability and optimized acoustic characteristics
  • Including gaskets to prevent acoustic short circuits and the ingress of moisture
  • In-house production using state-of-the-art FDM 3D printing process
  • Made in Germany

Compatibility

Speakers:

  • Ci7 W165FM-S3
  • Ci3 W165FM-S3
  • Ci3 W165FM-S2
  • Ci3 K165.2FM-S3
  • Ci3 K165.2FM-S2
  • Ci3 C165.2FM-S3

Car models:

  • Suitable for Hyundai vehicles with factory installed woofer
  • Further information about the vehicle compatibility can be found in our FlexMount Finder
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: 72965730624

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Kevin P
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★★★★★ 5
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Flavor Name: Zero Ultra, Size: 16 Fl oz (Pack of 15)
This is definitely the best flavor of Monster! No calories, but full flavor. I can't get enough of this stuff. It does cost a bit, but it is worth getting every once in awhile as a treat. I love it, and I would definitely recommend it. There is a high level of carbonation, so it doesn't go flat too quickly.
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Reviewed in the United States on May 24, 2026
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AZR2nut
Grantham, US
★★★★★ 5
This Stuff Turned My Morning into a Rocket Launch – No Crash, Just Pure Chaos!
Flavor Name: Zero Ultra, Size: 16 Ounce (Pack of 24), Flavor Name: Zero Ultra, Size: 16 Ounce (Pack of 24)
I popped open my first can of this sparkling energy elixir expecting the usual lukewarm disappointment, but instead, it hit like a caffeinated unicorn tap-dancing on my taste buds. The flavor is ridiculously good – think tropical punch meets crisp citrus without that artificial "why did I do this" aftertaste. It's completely sugar-free, so no sneaky crash later, yet the carbonation is perfectly balanced: fizzy enough to feel exciting, but not so aggressive it turns your esophagus into a launchpad. Digestibility? Flawless. My stomach thanked me instead of staging a protest, which is a miracle for someone who once considered coffee a food group. As for effectiveness, this bad boy delivers exactly what it promises and then some. The caffeine content is spot-on potent – enough to power through a soul-crushing workday or an impromptu home renovation project without the jitters or heart palpitations that usually come with high-octane drinks. I tackled my to-do list like a caffeinated superhero, all while staying hydrated and focused. Five stars for turning a regular Tuesday into an epic quest. If you're looking for clean, bubbly motivation in a can, stop scrolling and add this to your cart immediately. Your future self will high-five you.
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Reviewed in the United States on May 13, 2026
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Veronica Martinez
San Leandro, US
★★★★★ 5
Great taste without the sugar crash
Flavor Name: Zero Ultra, Size: 16 Fl oz (Pack of 15)
I picked this up because I wanted an energy drink that wouldn’t be loaded with sugar, and this one honestly surprised me. The flavor is really light and refreshing—not too sweet or overpowering like some other energy drinks. I’ve been using it mainly in the mornings or when I need a quick boost, and it definitely helps with energy and focus without making me feel jittery. One thing I really like is that there’s no heavy aftertaste, which I’ve noticed with other sugar-free drinks. Pros: Zero sugar but still tastes good Smooth, not too strong or artificial Gives a noticeable energy boost Cons: Might be a little too mild if you like very strong flavors The price can add up if you drink them often Overall: I’d recommend this if you want a cleaner-tasting energy drink without all the sugar. It’s easy to drink and does what it’s supposed to.
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Reviewed in the United States on April 3, 2026
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haley
New York, US
★★★★★ 5
Great!
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Great price for this pack, saves money in the long run! The flavor is great and love the carbonation. The sugar free flavor is my favorite.
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Reviewed in the United States on May 28, 2026
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Timothy B. Elliott
Birmingham, US
★★★★★ 5
My go-to energy drink for years, no crashes or headaches
Flavor Name: Zero Ultra, Size: 16 Fl oz (Pack of 15)
Consistent energy, good taste, and no weird side effects ✔️ Sugar-free with no crash ✔️ No headaches or jittery feeling ✔️ Clean, smooth energy boost ✔️ Good flavor without being overly sweet ✔️ Reliable enough for long-term daily use ✔️ Subscription makes it easy to keep stocked I’ve been buying Monster Zero Ultra for years and have it on subscription. It’s the one energy drink I consistently go back to. I've tried most others and they all leave me feeling weird. I actually feel a noticeable energy boost from it, but without the downsides I’ve had with other drinks. No headaches, no weird jittery feeling, and no crash later on. The flavor is also solid (this one and Ultra Violet are my go tos') , not overly sweet, and easy to drink regularly. I only buy sugar-free energy drinks, and this checks that box without sacrificing taste. I limit myself to one a day after the gym and water the rest of the day. After trying a lot of different brands, this is the one that’s stayed consistent for me, which is why I’ve kept it on subscription.
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Reviewed in the United States on April 5, 2026

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