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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 2 (of 2 products)
94422092403S
Product Information
Product Information
Rear exhaust, Original style, Stainless Steel, with polished tailpipe Porsche 924 2.0L 1976-88

Fits:
Porsche 924 2.0L 1976-88

clamp to fit this: 191253139G/1

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Related, superseded, cross reference or alternative numbers for comparison.

94422092403S
92.403S
92403S
1620608300
477253125K
477253125
477253125S

The product you are viewing cross references to these numbers
CARP24ET
Product Information
Product Information
Sport rear silencer for Porsche 924 2.0L CARGRAPHIC N-GT

Fits:

Porsche 924 2.0L 1976 - 1985

Product description:
CARGRAPHIC Sport Rear Silencer SS304L

Consisting of:
• CARGRAPHIC Rear silencer with tailpipe 115x85mm oval, slash cut, rolled in with perforated insert - Mirror polished

NO DRONE OR RESONATION even in combination with other CARGRAPHIC exhaust components fitted.

Features:

• All parts are interchangeable with factory / OE parts
• Absorptive silencer design with CNC mandrel-bent pipework
• Fully made from SS304L lightweight stainless steel
• High performance components, dyno tested
• Reinforced laser-cut brackets
• Reduced backpressure due to freer flowing
• Reduced operating temperature
• Maximized performance
• Improved throttle response, freer revving
• Improved enhanced acoustics with no drone, resonation or vibration
• Model specific tuned sound still in keeping with the Marque
• Weight reduction

PERFORMANCE - Made in Germany

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Related, superseded, cross reference or alternative numbers for comparison.

CARP24ET
477253125S
477253125AA

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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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