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  • Helical Technology Super High Performance Exhaust Valve Cutout - 60mm ID Valve Pictured. Helical Valves are the standard for high performance OEM applications raging from Ferrari and Porsche to McLaren, Lamborghini and more - see the full list in the description below. When purchasing exhaust cutout valves, buying cheaper knock-off valves does Not payoff - They will Fail!
  • Helical Technology High Performance Exhaust Cutout Valves - 74mm ID Valve With Heat Shield Pictured. Incorporates Investment cast body for durability and precision, Silica Carbide End Shaft, Heat Isolator between Valve Actuator and Valve Body to reduce heat transfer and possible issues.
  • Helical Exhaust Cutout Valve Installed in the Fabspeed Audi R8 / Lamborghini Huracan Valvetronic Supersport Exhaust
  • Helical Technology High Performance Exhaust Cutout Valves - 74mm ID Valve With Heat Shield Pictured (Closeup of heatshield protector for Actuator)

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Helical Technology High Performance Exhaust Cutout Valves


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Fabspeed Motorsport | Helical Valve Dealer & Distributor (01:01)
Fabspeed Motorsport USA is the North America & South America exclusive dealer/distributor for Helical valves from the United Kingdom. Helical Technology has been established for over 50 years and has a global presence with production facilities in the UK, India and China. With a background in the design and manufacture of springs, valve rotators and actuators, the business is now a world leader in the design and manufacture of acoustic and EGR exhaust valves and offers world class testing services at its purpose built Technical Centre. ----------------------- Feel free to visit fabspeed.com, call or stop by with any questions, concerns or comments. ----------------------- Fabspeed Motorsport elevates the exotic car experience through personalized performance; offering more product options and configurations than any other exotic car tuner, allowing us to custom tailor a sound and performance solution that meets your exact needs and compliments your lifestyle. For over 20 years, Fabspeed has been engineering and manufacturing the world's finest stainless steel high performance exhaust systems and components, air intake products, ECU tuning, and more, specifically-tailored for high-end sports cars and exotics. From Porsche to McLaren, our expertise is unmatched and it shows in everything that we do. Our dyno-proven performance products provide an exhilarating driving experience and are backed by a Limited Lifetime Warranty. Fabspeed strives to be a force of innovation within the industry; dedicated to maximum performance, excellent service, and true care and concern for the development of products and services for exotic car enthusiasts.

Product Description

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 raging 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 off the internet does Not payoff - They will fail!

NOTE: Optional Valve Controller Kit available above. Includes 2 Remotes with electronics, Vacuum lines and all connectors for a DIY Installation. 

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
  • Engineered for value and reliability from the ground-up
  • Appointed by the Queen of England as the standard for High Performance Applications
  • Options for pneumatic or electronic actuator available
  • 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




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