Helical Technology High Performance Exhaust Valves for Custom Applications Brakes air-fuel ratios

air-fuel ratios

Reuse your factory OEM tips or upgrade to Fabspeed Deluxe Quad-Style Tips in your choice of finish

2 Cayenne Turbo / Turbo S Valvetronic Exhaust System provides the best of both worlds

Complete high-performance exhaust solution for the Porsche 993 Turbo

Helical Technology High Performance Exhaust Valves for Custom Applications Brakes air-fuel ratiosHelical 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