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Optimized design that replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings. Available with or without valves.
We chose to use Helical Valves on our 997.2 GT3 / GT3 RS track exhaust systems for their unprecedented quality - which have been proven by many OEM manufacturers such as McLaren, Ferrari, Lamborghini, and many more. Helical valves are an integral part of our Side Muffler Bypass pipes, opening and closing with precision to control the gas flow and optimizing engine back-pressure for improved performance. Helical’s extensive experience in high-volume OEM automotive applications has led to standard features such as an extremely durable pneumatic actuator, precision flat sealing faces inside the valve, stiffening ribs and high-temperature bearings at both ends of the butterfly spindle.
- Fits all Porsche 997 GT3 / GT3 RS vehicles 2006-2009
- Retains Sport Mode control button when used with factory side mufflers
- 14-16ga T304 Stainless Steel construction
- Includes 4" Deluxe Dual Style Tips in your choice of finish
- All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
Click Here For Install Instructions for Porsche Homelink Connection For Valvetronic Exhaust Control
||997 GT3 RS