Helical Technology High Performance Exhaust Valves for Custom Applications porsche 997 brake pads Perfect for the 911 Carrera

Perfect for the 911 Carrera owner looking to make his vehicle emissions compliant and slightly enhance the exhaust sound

POWER: Deleting the resonators frees up the exhaust tremendously and gives a healthhy dose of 27 whp and 37 ft/lbs of tq

Free-flowing X-Pipe replaces the factory mid-pipes and resonators to improve exhaust flow

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Fabspeed's tips sit right inside of the factory outlet for an aggressive look Helical U

Helical Technology High Performance Exhaust Valves for Custom Applications porsche 997 brake pads Perfect for the 911 CarreraHelical 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