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Design 911 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://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram

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DISPLAYING 1 to 4 (of 4 products)
3606008110
Product Information
Product Information
DesignTek Exhaust Muffler / Silencer Sports VALVETRONIC for Porsche Boxster, Cayman 981. DesignTek Valvetronic sports exhaust system gives smooth power and torque to the wheels.

Fits:
Porsche Boxster 981
Porsche Cayman 981

This system comes complete with
Stainless Steel Chromed Tail pipes.

Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.

This unique exhaust configures a dual-tone setup controlled by a key fob which you can switch on the fly. Direct replacement for the factory mufflers and will work with the stock primary pipe and cats or DesignTek primary bypass pipe.

High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound

Switch opened: Perfect Racing Sports Sound

Superb sports car sound, throaty and deep with the valves opened, but docile with the valves closed.

Please note the remote controllers do not come with batteries. You will have to source them at your own cost. The type is CR2025

For Wiring Diagram please CLICK HERE

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Related, superseded, cross reference or alternative numbers for comparison.

3606008110
98111122101
98111122102
98111123100
98111123101
98111142100
98111142101
98111143100
98111143101
98111122201
98111122202
98111123200
98111123201
98111142200
98111142201
98111143200
98111143201
98104420003
98104420001
98104420002
9810442000

The product you are viewing cross references to these numbers
3606008120
Product Information
Product Information
DesignTek Exhaust Muffler / Silencer Sports VALVETRONIC for Porsche Boxster, Cayman 981. DesignTek Valvetronic sports exhaust system gives smooth power and torque to the wheels.

Fits:
Porsche Boxster 981
Porsche Cayman 981

This system comes complete with Carbon Fibre Tail pipes.

Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.

This unique exhaust configures a dual-tone setup controlled by a key fob which you can switch on the fly. Direct replacement for the factory mufflers and will work with the stock primary pipe and cats or DesignTek primary bypass pipe.

High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound

Switch opened: Perfect Racing Sports Sound

Superb sports car sound, throaty and deep with the valves opened, but docile with the valves closed.

Please note the remote controlers do not come with batteries. You will have to source them at your own cost. The type is CR2025

For Wiring Diagram please CLICK HERE

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

3606008120
98111122101
98111122102
98111123100
98111123101
98111142100
98111142101
98111143100
98111143101
98111122201
98111122202
98111123200
98111123201
98111142200
98111142201
98111143200
98111143201
98104420003
98104420001
98104420002
9810442000

The product you are viewing cross references to these numbers
9M8111192107
Product Information
Product Information
Rear sports exhaust titanium with valves. 
Exhaust tips shown in image are not included - Silencers only

Fits:
Porsche 981 Boxster / Boxster S - 2012 to 2016
Porsche 981 Cayman / Cayman S - 2013 to 2016

9m 981 Titanium valved silencer

  • Constructed from Aerospace grade TC4 titanium precision welded with a lifetime guarantee 
  • Weighing in at 9kg in total with a weight saving of 7kg over the stock silencer(16kg) 
  • Direct bolt on installation 
  • Fits original exhaust tips or optional 9m 981 GT4RS titanium style X pipe tips

** Tip in the images are to be added as an option**



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

9M8111192107
98111122101
98111122102
98111123100
98111123101
98111132100
98111132101
98111142100
98111142101
98111143101
98111122202
98111123200
98111123201
98111132200
98111132201
98111142200
98111142201

The product you are viewing cross references to these numbers
9996001111
Product Information
Product Information
Switch set for sound valves.

designtek

Fits:
All Porsche models with vacuum operated valvetronic exhaust systems

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

9996001111
98622094335SSOUND

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About Switchable Silencers / Mufflers

Porsche Switchable Silencers & Mufflers - Dual-Mode Performance Exhaust Systems

Switchable Silencers / Mufflers offer Porsche owners the best of both worlds—refined, road-friendly exhaust sound when cruising, and an aggressive, performance-focused tone at the touch of a button. Using valve-controlled technology, these exhaust systems allow drivers to switch between quiet and sport modes, delivering enhanced sound, performance, and driving engagement on demand.

Available from Design911, Porsche switchable silencers include both genuine Porsche-engineered systems and high-quality aftermarket performance options, all designed to integrate seamlessly with your vehicle’s existing exhaust components and control systems.

What Do Switchable Silencers / Mufflers Do?

Switchable silencers use internal exhaust valves to control sound level and exhaust flow.

Core Functions:

  • Allow selectable quiet and sport exhaust modes.
  • Improve exhaust gas flow under performance driving.
  • Enhance throttle response and engine efficiency.
  • Maintain refined sound levels for everyday driving.
  • Deliver a more engaging driving experience on demand.

These systems adapt your Porsche’s character to suit any driving situation.

Why Do Standard Exhaust Silencers Fail or Fall Short?

Factory exhaust systems are designed to meet noise regulations and long-term durability requirements, which can limit performance and sound. Common issues include:

  • Internal corrosion from heat and condensation.
  • Restrictive baffling reducing exhaust flow.
  • Fixed sound levels with no adaptability.
  • Valve or actuator wear in older switchable systems.
  • Limited performance compatibility with tuned engines.

Over time, standard silencers may lose efficiency, sound quality, or reliability.

Why Upgrade to Switchable Silencers / Mufflers?

Upgrading to a switchable exhaust system enhances both performance and versatility.

Upgrade Benefits:

  • Dual-mode exhaust sound at the press of a button.
  • Improved exhaust flow for better performance.
  • Sportier, more engaging exhaust note when desired.
  • Maintains comfort and compliance in quiet mode.
  • Ideal for road, touring, and spirited driving.

Whether OEM or aftermarket, switchable silencers offer flexibility without compromise.

Highlights

  • Porsche switchable silencer and muffler upgrades
  • Valve-controlled exhaust sound adjustment
  • OEM Porsche and premium aftermarket options
  • Improved performance, sound, and driving engagement
  • Compatible with factory systems and controls       

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