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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 3 (of 3 products)
3606609136
Product Information
Product Information
Exhaust final muffler with black chrome tailpipes

designtek

High quality SUS304 stainless steel exhaust rear section compatible with OE rear mufflers. Complimented by black chrome tail pipe in ⌀89mm

Designed for maximum flow and no restriction.

Reduced back pressure and better scavenging. More torque and horsepower across the RPM band.

Fits:
Porsche 991 GT3 3.8L 476 Bhp 2013 - 2017 (A175 engine)
Porsche 991 GT3 RS 4.0L 507 Bhp 2013 - 2017 (A175 engine)
Porsche 911 R 4.0L 507Bhp 2014-2017 (A176 engine)

Please note: This will not fit cars:
- with engine codes DNSA / DNSB - 4.0L with 520 Bhp
- released after 06/2017 with engine codes DGG / DGGA / DGGB

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Related, superseded, cross reference or alternative numbers for comparison.

3606609136
99711102799
99711102790
99711102792

The product you are viewing cross references to these numbers
TSPO991GT317.001.T
Product Information
Product Information
Sports exhaust rear silencer titanium straight pipe Porsche 911 GT3 GT3 RS and 911 R 2013-2019
Made from titanium
Straight pipe replaces rear centre silencer

tubi

FITS 991.1 and 991.2
Porsche 911 GT3 and GT3 RS 2014-2016
Porsche 911 GT3 and GT3 RS 2017-2019
Porsche 911 R 2016
NOT FOR 997

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

Replaces centre silencer and tailpipe trims

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS DESIGN - ROLLED LIP
Tailpipe with external rolled lip

OUTER PIPE DIMENSION - 65mm
CENTRE TIP DIMENSION 50mm
The value refers to the external dimensions of the exhaust end tip

END TIPS FINISH - SANDBLASTED
Titanium is used sandblasted, completely free from flaws, in its natural colour, for a truly stunning appearance

END TIPS NUMBER AND POSITION - 3 CENTRAL
The end tips emerge from the centre

MATERIAL - TITANIUM
KSTi -1,2 ASN titanium alloy was specifically developed for motorsport exhaust systems. It guarantees excellent resistance to oxidation even at high temperatures, with mechanical characteristics similar to those of grade 2 titanium.

CENTRE SILENCER REMOVAL
Complete removal of the centre silencer minimises exhaust back pressure and delivers optimum results in terms of performance and weight reduction

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

TSPO991GT317.001.T
99711102792
99711102799
99111102790

The product you are viewing cross references to these numbers
3606609124
Product Information
Product Information
Titanium Exhaust final muffler with carbon tailpipes

designtek

High quality titanium exhaust rear section compatible with OE rear mufflers. Complimented by carbon fibre tail pipe in ⌀89mm

Designed for maximum flow and no restriction.

Reduced back pressure and better scavenging. More torque and horsepower across the RPM band.

Fits:
Porsche 991 GT3 3.8L 476 Bhp 2013 - 2017 (A175 engine)
Porsche 991 GT3 RS 4.0L 507 Bhp 2013 - 2017 (A175 engine)
Porsche 911 R 4.0L 507Bhp 2014-2017 (A176 engine)

Please note: This will not fit cars:
- with engine codes DNSA / DNSB - 4.0L with 520 Bhp
- released after 06/2017 with engine codes DGG / DGGA / DGGB

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

3606609124
99711102799
99711102790
99711102792

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Sport Silencers / Mufflers

Porsche Sport Silencers & Mufflers - Performance Sound & Exhaust Upgrades

Sport Silencers / Mufflers are designed to enhance the sound, performance, and driving character of your Porsche by improving exhaust gas flow and delivering a more engaging exhaust note. Compared to standard exhaust silencers, sports mufflers reduce restriction, sharpen throttle response, and provide a sportier tone that better reflects Porsche’s performance heritage.

Available from Design911, this category includes both genuine Porsche sport exhaust components and high-quality aftermarket performance mufflers, giving owners the choice between factory-engineered authenticity and performance-focused customisation.

What Do Sport Silencers / Mufflers Do?

Sport silencers optimise exhaust flow while enhancing sound quality.

Core Functions:

  • Reduce exhaust backpressure for improved engine breathing.
  • Enhance throttle response and power delivery.
  • Produce a deeper, sportier exhaust note.
  • Improve exhaust efficiency and flow dynamics.
  • Enhance the overall driving experience.

A well-designed sports muffler balances performance gains with refined sound control.

Why Do Standard Exhaust Silencers Fail or Fall Short?

Standard exhaust mufflers are designed primarily for noise reduction, emissions compliance, and longevity. Over time, common issues include:

  • Internal corrosion from condensation and heat cycles.
  • Restrictive baffling limiting exhaust flow.
  • Dull or muted exhaust sound.
  • Internal baffle breakdown causing rattles.
  • Reduced efficiency when paired with performance upgrades.

As these components age, both performance and sound quality can deteriorate.

Why Upgrade to Sport Silencers / Mufflers?

Sport silencers are engineered to improve both performance and auditory feedback.

Upgrade Benefits:

  • Improved exhaust flow and reduced restriction.
  • Enhanced exhaust sound without excessive drone.
  • Increased driving engagement and responsiveness.
  • Available in OEM Porsche or performance aftermarket options.
  • Ideal for road, touring, and spirited driving.

Upgrading delivers a more exciting exhaust character while supporting engine efficiency.

Highlights

  • Porsche sport silencer and muffler upgrades
  • OEM Porsche and premium aftermarket options
  • Improved exhaust sound, flow, and performance
  • Designed for performance-focused driving
  • High-quality materials for durability and reliability       

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