Helical Technology High Performance Exhaust Valves for Custom Applications Select Valve Size and Option:60mm ID - Vacuum Valve Give your 991 Turbo the

Give your 991 Turbo the sound and power it deserves with Fabspeed's Supersport Performance Package

8L Twin Turbo

Fabspeed precision engineered heavy duty front tie-downs are constructed from high-strength Domex steel to ensure reliability and long-term use

there is no interior drone whatsoever

Stock = 560 HP / 553 ft-lbs of torque

Helical Technology High Performance Exhaust Valves for Custom Applications Select Valve Size and Option:60mm ID - Vacuum Valve Give your 991 Turbo theHelical 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