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  • Replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings. Includes robust Helical valves which maintain the factory sound level adjustment for ultimate combination of performance and comfort.
  • Fabspeed's side muffler bypass pipes save 36 lbs from the rear of the vehicle compared to OEM side mufflers. (Pictured without valves)
  • 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.
  • Fabspeed's 991 GT3 Side Muffler Bypass Pipes are also available without valves for those that desire maximum weight savings and performance, and do not need the sound level control.  (Pictured without valves)
  • Fabspeed's 991 GT3 Side Muffler Bypass Pipes are also available without valves for those that desire maximum weight savings and performance, and do not need the sound level control.  (Pictured without valves)
  • Fabspeed's side muffler bypass pipes save 36 lbs from the rear of the vehicle compared to OEM side mufflers. (Pictured without valves)
  • 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.

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Porsche 997 GT3 / GT3 RS Side Muffler Bypass Pipes

$995.00

Other Details

HP (whp):
TBD

TQ (ft/lbs):
TBD

WT (lbs):
-36


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What Are Helical Technology Valves? | Fabspeed Motorsport (01:01)
Fabspeed Motorsport USA is the North America & South America exclusive dealer/distributor for Helical valves from the United Kingdom. Helical Technology has been established for over 50 years and has a global presence with production facilities in the UK, India and China. With a background in the design and manufacture of springs, valve rotators and actuators, the business is now a world leader in the design and manufacture of acoustic and EGR exhaust valves and offers world class testing services at its purpose built Technical Centre. Helical Technology: http://www.helical-technology.com/ ----------------------- Feel free to visit fabspeed.com, call or stop by with any questions, concerns or comments. ----------------------- Fabspeed Motorsport elevates the exotic car experience through personalized performance; offering more product options and configurations than any other exotic car tuner, allowing us to custom tailor a sound and performance solution that meets your exact needs and compliments your lifestyle. For over 20 years, Fabspeed has been engineering and manufacturing the world's finest stainless steel high performance exhaust systems and components, air intake products, ECU tuning, and more, specifically-tailored for high-end sports cars and exotics. From Porsche to McLaren, our expertise is unmatched and it shows in everything that we do. Our dyno-proven performance products provide an exhilarating driving experience and are backed by a Limited Lifetime Warranty. Fabspeed strives to be a force of innovation within the industry; dedicated to maximum performance, excellent service, and true care and concern for the development of products and services for exotic car enthusiasts.

Product Description

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. 

HELICAL 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.                                                        

FEATURES:

  • Fits all Porsche 997 GT3 / GT3 RS vehicles 2006-2009
  • Replicates aggressive CUP car sound for the street
  • 14-16ga T304 Stainless Steel construction
  • Simple bolt-on installation
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

 

Click Here For Install Instructions for Porsche Homelink Connection For Valvetronic Exhaust Control

NOTE: For vehicles not equipped with a Porsche Sport Exhaust (PSE) / valves from the factory, a Fabspeed Valve Controller Kit is necessary to control the operation of the valves. Please choose the appropriate kit before ordering. 

 DOES MY CAR HAVE “PSE”? 

The Porsche Sport Exhaust – better known as PSE – was a factory option available on many late model Porsches. You can quickly and easily determine if your vehicle is equipped with PSE by taking a look at your center console. If your console has a button on it with an “exhaust tip” icon (see photo), then your vehicle is equipped with PSE, and you should select the PSE option when adding this product to your cart. If you do not see this button, the your vehicle does not have PSE and you should select the standard exhaust option when checking out.

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