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Fabspeed Exhaust

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FSPOR971V6SCDP
Product Information
Product Information
Fabspeed Primary Sport Catalytic Converter Downpipe.

The Fabspeed Primary Sport Catalytic Converter Downpipe is a high-performance replacement for the restrictive factory catalytic-converter downpipe fitted to the Porsche 971 Panamera Base V6 single-turbo model from 2017 onward.

Fits:

  • Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20  


Designed to improve exhaust flow immediately downstream of the turbocharger, the system replaces the original catalyst section with a freer-flowing German HJS 200-cell tri-metallic high-performance catalytic converter.

The lower-density catalyst allows exhaust gases to pass through with significantly less restriction while still retaining catalytic exhaust treatment. This can help reduce post-turbo backpressure, improve throttle response, sharpen turbo response and produce a more pronounced performance exhaust note.

Fabspeed constructs the downpipe from 14–16 gauge CNC mandrel-bent T304 stainless steel, providing strong corrosion resistance, high-temperature durability and a smooth exhaust path.

What This Product Does:
The primary catalytic converter downpipe connects the turbocharger outlet to the remainder of the exhaust system.

It is designed to:

  • Carry exhaust gases away from the turbocharger.
  • Reduce restriction compared with the factory catalyst.
  • Reduce post-turbo exhaust backpressure.
  • Improve exhaust gas evacuation.
  • Support quicker turbocharger response.
  • Improve throttle response.
  • Support increased horsepower and torque.
  • Produce a stronger performance exhaust note.
  • Retain catalytic exhaust treatment.
  • Replace a damaged, restricted or deteriorated factory catalytic converter.
  • Provide a durable stainless-steel exhaust upgrade.

Symptoms Of Wear Or Failure:
Possible symptoms include:

  • Check Engine Light.
  • Catalyst-efficiency fault codes.
  • Reduced engine performance.
  • Sluggish acceleration.
  • Slower turbo response.
  • Loss of power at higher engine speeds.
  • Increased exhaust backpressure.
  • Metallic rattling from the catalytic converter.
  • Unusual exhaust smell.
  • Excessive catalyst temperature.
  • Poor fuel economy.
  • Failed emissions testing.
  • Internal catalyst material breaking apart.
  • Melted or collapsed catalyst substrate.

Why Replacement Matters:
Replacing a restricted or failed factory catalyst helps restore:

  • Correct exhaust gas flow.
  • Turbocharger efficiency.
  • Engine performance.
  • Proper catalytic operation.
  • Exhaust-system sealing.
  • Reliable emissions-system operation.

Upgrading to the Fabspeed sport catalyst additionally provides:

  • Reduced exhaust restriction.
  • Improved throttle response.
  • Increased performance potential.
  • Stronger exhaust sound.
  • Durable stainless-steel construction.



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

FSPOR971V6SCDP
9A725440005
9A7254400A

The product you are viewing cross references to these numbers
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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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