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Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram
Porsche specialists based in the UK
Porsche 991 (911) MK2 2016-2019 Exhausts

Fabspeed Exhaust

Fabspeed Exhaust

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Valvetronic Center Muffler Bypass X-Pipe. Porsche 991.2 Carrera 2017-19 (PSE Only) - FS.POR.9912.PSEVLV, 99111133105, 99111133107, 99111133104, 99111133106 - FS.POR.9912.PSEVLV
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Valvetronic Center Muffler Bypass X-Pipe. Porsche 991.2 Carrera 2017-19 (PSE Only)
FSPOR9912PSEVLV
Product Information
Product Information
Fabspeed Valvetronic Center Muffler Bypass X-Pipe.

Unmatched versatility with the performance to match; the ultimate Center Muffler exhaust solution for the 991.2 Carrera TT with PSE. Full polished T304L stainless steel, beautifully welded together and finished off with premium tips in your choice of finish to fit the rear bumper of the 991.2 Carrera like a finely tailored suit.

SOUND:

We're proud to offer a premium exhaust solution for the Porsche 991.2 Carrera TT with PSE. Our Valvetronic Exhaust offers two distinct tones depending on valve position: mild and very aggressive throaty sportscar sound. Thanks to our unique design, you can now tear up the back roads while enjoying the high performance sound of a free-flowing exhaust without sacrificing the ability to to push a button and enter your neighborhood after a midnight joyride without being too loud and disturbing the neighbors. The Fabspeed Motorsport 991.2 PSE rear valvetronic X pipe system will put an ear-to-ear smile on an Porsche owners.

FEATURES: 

• Fits all Porsche 991.2 Carrera 3.0L Flat-Six Twin Turbo cars 2017-2019  ONLY for cars with PSE
•   Guaranteed to be ABSOLUTELY the Worlds Very Finest systems for all Porsche 991.2 PSE cars
•   Includes Deluxe Dual Style Tips in your choice of Finish. Choose - Carbon Fiber, Polished, Satin Black, Single Wall Brushed.
•   Worlds finest tips for your car. Saves 10 lbs/ -4.5 kg) less than the bulky boxy OEM Porsche factory center muffler section.
•   Precision hand TIG welded with the highest quality USA materials by skilled craftsman.
•   Utilizing the worlds best Helical United Kingdom vacuum actuated exhaust Valves. The exact same imported valves used by Porsche, Ferrari, McLaren, Lamborghini, and Aston Martin.100% Cat back emissions legal performance in all 50 states and worldwide.
•   No affect on emissions or warranty as its a "CAT-BACK system". Bolts onto OEM Porsche catalytic converters. Simple direct bolt-on replacement system. You can reuse Porsche factory tips or go with Fabspeed tip options.
•   Dramatically enhanced sports car sound while still using the full Porsche PSE function.
•   Designed, Engineered, and Dyno proven system using lost wax investment casting, Helical UK England imported super premium vacuum valves, and USA materials.
•   Backed by our Lifetime Warranty.
•   Get the very best designed and engineered system for your car from Fabspeed.

NOTE: Only compatible with PSE equipped vehicles, Not base exhaust models.

DOES MY CAR HAVE "PSE"?

PSE Button

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.

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR9912PSEVLV
FS.POR.9912.PSEVLV
99111133105
99111133107
99111133104
99111133106

The product you are viewing cross references to these numbers
DISPLAYING 49 to 49 (of 49 products)
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About Fabspeed Exhaust

Fabspeed Exhaust Systems - Precision Performance & Sound Upgrades

Fabspeed Exhaust Systems are premium performance exhaust upgrades engineered to deliver increased power, improved exhaust flow, and a distinctive motorsport-inspired sound. Designed and manufactured with precision engineering and performance testing at their core, Fabspeed exhausts are built to enhance the driving experience of Porsche road and track vehicles alike.

Available from Design911, Porsche Fabspeed exhaust components are crafted using high-quality stainless steel and optimised designs to reduce backpressure, improve throttle response, and unleash a more engaging exhaust tone while maintaining durability and reliability.

What Do Fabspeed Exhaust Systems Do?

Fabspeed exhausts optimise exhaust gas flow and acoustic performance.

Core Functions:

  • Reduce exhaust restriction and backpressure.
  • Improve throttle response and power delivery.
  • Enhance exhaust sound and character.
  • Improve engine efficiency and breathing.
  • Upgrade exhaust aesthetics and build quality.

A high-flow exhaust system plays a key role in unlocking engine performance.

Why Do Standard Exhaust Systems Fail or Limit Performance?

Factory exhaust systems are designed to prioritise emissions compliance, cost efficiency, and sound suppression. Over time, they can suffer from:

  • Restrictive internal baffling reducing performance.
  • Corrosion from moisture and repeated heat cycles.
  • Excessive weight limiting efficiency.
  • Muted exhaust sound lacking engagement.
  • Reduced compatibility with performance tuning upgrades.

As engines are pushed harder, standard exhausts can become a performance bottleneck.

Why Upgrade to a Fabspeed Exhaust?

Fabspeed exhaust systems are designed for drivers seeking performance-focused enhancements.

Upgrade Benefits:

  • Improved exhaust flow for increased performance.
  • Sportier, more aggressive exhaust sound.
  • Lightweight, durable stainless steel construction.
  • Precision-engineered components for perfect fitment.
  • Ideal for performance road cars and track applications.

Upgrading to Fabspeed delivers noticeable gains in sound, response, and driving excitement.

Highlights

  • Porsche Fabspeed performance exhaust systems
  • Improved exhaust flow and throttle response
  • Sporty, motorsport-inspired exhaust sound
  • High-quality stainless steel construction
  • Designed for performance and enthusiast driving       

Fabspeed Exhaust

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