


Helix Compose FlexMount 200 CFMK200 POR.5 8 Inch Woofer Adaptor for Porsche
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The Helix CFMK200 POR.5 is a vehicle-specific FlexMount200 adaptor ring for fitting an 8 inch (200 mm) Helix Compose woofer into the factory woofer position in Porsche vehicles. It is part of the Helix Compose FlexMount range and is sold as an installation accessory, not a speaker.
Suitable for Porsche vehicles with a factory installed woofer. Compatible drivers include the Ci3 W200FM-S2 woofer and the Ci5 S200FM-S2 and Ci5 S200FM-D2 hybrid subwoofers, all sold separately. In the box: 2 x FlexMount200 adaptor ring, 2 x speaker gasket, 2 x car body gasket, 1 x mounting material.
Key specifications
- Adaptor type: FlexMount200 vehicle-specific adaptor ring
- Speaker size: 8 inch / 200 mm woofer
- Vehicles: Porsche with factory installed woofer
- Compatible Helix Compose speakers: Ci7 W200FM-S3, Ci5 S200FM-D2, Ci5 S200FM-S2, Ci3 W200FM-S3, Ci3 W200FM-S2, Ci3 K200.2FM-S3, Ci3 K200.2FM-S2
- Construction: FDM 3D printed in-house, made in Germany
- Temperature range: -40 °C to over +90 °C
- In the box: 2 x FlexMount200 adaptor ring, 2 x speaker gasket, 2 x car body gasket, 1 x mounting material
HELIX CFMK200 POR.5 (FDM)
FlexMount is Helix's proprietary mounting system using vehicle-specific adaptor rings. These turn a universal 8 inch / 200 mm Helix Compose woofer with FlexMount200 technology into a car-specific speaker, enabling installation in the vehicle's original mounting position with an acoustically optimised result.
The adaptors are manufactured in-house using an FDM 3D printing process. The material is engineered for automotive use and offers extremely high strength and rigidity.
FlexMount adaptors resist weathering, UV radiation, oils and greases. The material covers a temperature range from -40 °C to over +90 °C, ensuring durability and dimensional stability in demanding conditions.
Features
- Vehicle-specific adaptor ring for acoustically optimised integration of the 8 inch / 200 mm Helix Compose woofer with FlexMount200 technology in the original mounting location
- Torsion-resistant design for easy installation and secure fixation
- Complex construction for high stability, durability and optimised acoustic characteristics
- Gaskets included to prevent acoustic short circuits and moisture ingress
- In-house FDM 3D printing process
- Made in Germany
Explore the full range in Helix Compose FlexMount.
Specification
| Shape | Round |
|---|---|
| Type | Component |
| Series | FlexMount |
| Article Number | CI42203 |
| Country of Manufacture | China |
More specs
| |
What's Included
- 2 x FlexMount200 adaptor ring
- 2 x Speaker gasket
- 2 x Car body gasket
- 1 x Mounting material
Helix
About the Helix CI42203
From our tech experts at CEN
The Helix CFMK200 POR.5 is a pair of FlexMount200 adaptor rings for an 8 inch (200 mm) Helix Compose woofer in the factory woofer position of Porsche vehicles. It comes with two speaker gaskets, two car body gaskets and mounting material. Speakers are sold separately.
Who it suits
Porsche owners whose model takes the POR.5 ring rather than the CFMK200 POR.1, POR.6 or POR.7. It works with the Ci7 W200FM-S3, Ci3 W200FM-S3, Ci3 W200FM-S2, the Ci5 S200FM-S2 and S200FM-D2 hybrid subwoofers, and the woofers in the Ci3 K200.2FM-S3 and K200.2FM-S2 sets.
Our tech experts advise
Check which Porsche version your car needs before ordering, as each is shaped for a different mount. Installation is priced per vehicle, so contact us with your model and year and we will confirm it.
Explore the full Helix range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Helix
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: Which vehicles does the HELIX CFMK200 POR.5 fit?
A: The CFMK200 POR.5 is designed for Porsche vehicles with a factory installed woofer. Contact CEN with your registration if you want us to confirm fitment.
Q: Which HELIX speakers work with the CFMK200 POR.5?
A: It is made for 8 inch (200 mm) HELIX COMPOSE drivers with FlexMount200 technology: Ci7 W200FM-S3, Ci5 S200FM-D2, Ci5 S200FM-S2, Ci3 W200FM-S3, Ci3 W200FM-S2, Ci3 K200.2FM-S3 and Ci3 K200.2FM-S2.
Q: What is included with the CFMK200 POR.5?
A: 2 x FlexMount200 adaptor ring, 2 x speaker gasket, 2 x car body gasket, 1 x mounting material. Speakers are not included.

































