Most Fabspeed products are built to order. Please allow 5–7 business days for production before your order ships. This timeframe does not include shipping transit time.

Are you disappointed in the current universal valved muffler offerings? Valves rattling and/or breaking? Poor sound quality? 

Introducing the World highest quality universal valved muffler, complete with electronic valves that are guaranteed not to rattle or fail! 

Over the past year, we have fielded hundreds of calls about other brands universal valved mufflers failing, rattling, and overall just being a disappointment. We decided to use our our knack for Tier 1 design and manufacturing to revolutionize the market, and provide a solution consumers will actually be happy with. 

FEATURES:

• High quality electronic valves with 12v valve controller kit 
• Does not trigger a Check Engine Light
• Constructed from .065" thick high quality T304L stainless steel in house at Fabspeed
• Noticeable improvement in exotic tone and throttle response
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

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!

SPECIFICATIONS:

• 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 267-651-1912 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

Part number: FS.UVM.XXX

All sales of Fabspeed products are final. These items are not eligible for return or exchange. Please verify compatibility and vehicle fitment before placing your order.