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Helical Technology High Performance Exhaust Valves for Custom Applications

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$546.95 - $601.95
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  • Fabspeed Motorsport Fabspeed Valvetronic Controller Kit

Helical Technology is the UK's foremost producer of high specification engine control systems supplied to many of the world's leading vehicle makers, manufacturing valves of the highest quality for some of the most technically advanced and difficult applications. Helical Valves are the standard for high performance OEM applications ranging from Ferrari and Porsche to Lamborghini, McLaren and more - see the full list below. They offer a proven OEM validated design with optional additional features. The actuator and valve designs are based on Helical's extensive experience in high-volume automotive applications. Standard features are the robust pneumatic actuator, flat sealing faces inside the valve, stiffening ribs and high temperature bearings at both ends of the butterfly spindle. 

When purchasing exhaust cutout valves for your vehicle application, buying cheaper knock-off valves does Not payoff - They will fail!


  • Optional Valve Controller Kit available above. Includes 2 Remotes with electronics, Vacuum lines and all connectors for a DIY Installation.
  • Electronically actuated valves are available for BMW, Porsche, Mercedes, and other Manufactures for plug-and-play operation with your factory valve controller. Please call 215-646-4945 to inquire about specific fitment.
  • This is an individual Valve; Welding Required


  • Made in England under ISO 9001 Compliance - More Quality Standard Details below
  • Standard on OEM High Performance Vehicles like Porsche, Ferrari, Lamborghini and more - Full list below
  • Many sizes available, please call 215-646-4945 to inquire about available sizes
  • Engineered for value and reliability from the ground-up
  • Appointed by the Queen of England as the standard for High Performance Applications
  • Choose between open and closed, or variable depending on vehicle application
  • Robust pneumatic actuator design
  • High temperature bearings at both ends of butterfly spindle
  • Flat sealing faces
  • Investment cast stainless steel bracket body and Titanium valve body with stiffening ribs
  • Optional Heatshield models to protect actuator
  • Far fewer components to eliminate possible issues and failures
  • 100% control of valve position
  • Tuneable NVH characteristics
  • Controllable back-pressure
  • Increased reliability


  • Porsche (GT3 and PSE Valved exhaust options)
  • Bentley
  • Jaguar Land Rover
  • McLaren
  • Aston Martin
  • Ford
  • Ferrari (488, F12 and more)
  • Lamborghini
  • RenaultSport


Validation tests include gas-stand endurance, hot and cold ambient temperature endurance, vibration and salt-spray.


BS EN ISO 9001
IOS TS 16949
BS EN ISO 14001




Returns Policy

To RETURN any system, product or merchandise you must contact us first for a Return Authorization (RA) Number. Special order and custom made systems, apparel, Carbon Fiber Wall Art, and other certain merchandise are NOT returnable. ALL SALES ARE FINAL. To return a Fabspeed Motorsport product an RA number must be requested and if granted the item(S) must be in original Fabspeed Motorsport sealed packaging. A copy of the original invoice and a brief explanation must accompany all returned items. You must follow our instructions for returning items carefully, or Fabspeed Motorsport reserves the right to charge a 25% restocking fee on any OPENED box or repackaged products. Customers are responsible for return shipping charges. If an order was shipped with a promotional “Free Shipping”, and the order is returned, we exclusively reserve the right to charge the customer or distributor for the cost of that original shipping and handling. If a Fabspeed Motorsport Performance package is ordered, and an individual component of that package is returned, Fabspeed Motorsport reserves the right to charge back the performance package discount along with any additionally offered discounts. Return shipped items DAMAGED in transit will RESULT in additional charges up to and including rejection of the competent. It is the customer’s responsibility to ship safely and properly. No returns accepted after 30 days from the invoice date. No credits will be given after 30 days from the invoice date.

To qualify for return, the product must be unused and remain in the original packaging, as well as match the current design and packaging for the product at the time of return. Sounds is subjective and therefore does not qualify for a return of a used product. See Sound Solution Guarantee to see if your product is covered.

Periodically mistakes are made when ordering, or a wrong part is shipped, and you may wish to return an item. We will do everything reasonable to satisfy you. Please contact Fabspeed Motorsport immediately via email at to discuss the circumstances before returning any products. Anything returned without prior authorization from Fabspeed Motorsport will be refused. All returns must be sent back fully prepaid. Our customer service department ( will issue a Return Authorization Number, which must accompany any return. A copy of the original invoice and a brief explanation must accompany all returned items. No returns accepted after 30 days from the invoice date. No credits given after 30 days.


Fabspeed Motorsport cannot be held liable for refusal of, delay of, loss of, theft or damage to a shipment of any item. The customer agrees to indemnify Fabspeed Motorsport for all costs, fees and expenses Fabspeed Motorsport incurs as a result of any violation of any local, state, federal, national or international laws or regulations. Customer agrees to take responsibility for lost packages that were not independently insured or sent without requiring signature. The customer understands they will be liable in the event of additional fees, tariffs, or legal issues such as border seizure. Customer accepts these risks and agrees to release Fabspeed Motorsport of all liability.

Fabspeed Motorsport reserves the right to charge a shipping and handling fee on every order being shipped from our facility. This fee is universal and applies to all retail and wholesale purchases and cannot be waived or credited.

A 6% sales tax will be implemented for every purchase made by a Pennsylvania resident. This fee will be charged for in-house installations and products purchased online, over the phone, and/or via email, this fee is required by law, is non-negotiable and non-refundable.

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