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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://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

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DISPLAYING 17 to 25 (of 25 products)
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CARP64GTKITLHRH45
Product Information
Product Information

CARGRAPHIC GT Sport Exhaust System with ID45 GT manifolds, with / without 100cpsi catalytic converters and dual flow AQ rear silencer with LH and RH tailpipe exit.

Fits:

  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93

Product Description:
CARGRAPHIC GT Sport Exhaust System With Exhaust Valves SS304L

Consisting O
f:
  • 2x CARGRAPHIC ID45 GT manifolds with ID45mm long tube primaries with spring loaded spliced RACING
  • ATTENTION: Engine tin ware / cowling needs to be modified!
  • CARGRAPHIC link pipe set with / without 2x100cpsi Ø110mm MS catalytic converter
  • CARGRAPHIC sport rear silencer with Aeroquip flanges, Tailpipe outlet left and right
  • Fitting kit including gaskets, bracket and bandstraps  
  

SUPER SOUND / SUPER SOUND PLUS EXPORT Version
NO DRONE OR RESONATION even in combination with other CARGRAPHIC exhaust components fitted.


Key Features & Benefits:

  • Absorptive silencer design with CNC mandrel-bent pipeworkFully made from SS304L lightweight stainless steel
  • High performance components, dyno tested
  • Olive-/ Bandclamp- and sleeve connections enable easy installation and perfect adjustment
  • Collector boxes and AQ silencer inlet flanges positioned max to the outside to achieve max possible clearance to valve covers, because of heat radiation.
  • 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    


Why Choose This Exhaust System?
The original exhaust on older 964 models can be restrictive in flow, heavy, and produce a muted sound. Switching to this CARGRAPHIC system unlocks the engine’s full potential: better exhaust flow, sharper throttle response, more pronounced exhaust tone, and improved performance — all while retaining reliability and proper fitment. It’s an ideal upgrade for enthusiasts seeking classic 964 sound and performance without resorting to race-only systems.



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Related, superseded, cross reference or alternative numbers for comparison.

CARP64GTKITLHRH45
96411104504
96411104605
96411104502
96421103905
96421103932
96421104004

The product you are viewing cross references to these numbers
FSPOR964MAXS
Product Information
Product Information
Fabspeed Maxflo Exhaust System ( 1in - 1out )

Improved sports car sound; deep and throaty while maintaining street appropriate volume

Features:
Fits: all Porsche 964 C2, C4, RS America, Euro RS and Speedster vehicles 1989-1994
• Increased throttle response throughout the RPM range with less restrictive mufflers
• Available in either a single or dual outlet configuration
NOTE: Requires slight modification to the factory rear bumper for proper fitment of the second outlet
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Direct bolt-on replacement for the restrictive facotry muffler
• Includes Oval Style Tip(s)
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.

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.

FSPOR964MAXS
96411104504
96411104502

The product you are viewing cross references to these numbers
FSPOR964MAXD
Product Information
Product Information
Fabspeed Maxflo Exhaust System ( 1in - 2out )

Optional Dual Outlet upgrade; Requires slight modification to the factory rear bumper for proper fitment of the second outlet

Improved sports car sound; deep and throaty while maintaining street appropriate volume

Features:
Fits: all Porsche 964 C2, C4, RS America, Euro RS and Speedster vehicles 1989-1994
• Increased throttle response throughout the RPM range with less restrictive mufflers
• Available in either a single or dual outlet configuration
NOTE: Requires slight modification to the factory rear bumper for proper fitment of the second outlet
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Direct bolt-on replacement for the restrictive facotry muffler
• Includes Oval Style Tip(s)
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.

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.

FSPOR964MAXD
96422096402
96411104504
96411104502

The product you are viewing cross references to these numbers
3606006401
Product Information
Product Information
Exhaust Muffler / Silencer Rear box Race System

designtek

DesignTek Maximum power and aggressive sports car sound exactly like the factory 3.8L Supercup 964's. primarily intended for the track or race. This system has some resonance and is very sporty and aggressive. Please note this system bypass the cats and the heating system of the car.

This kit includes:
Headers
Rear Box
This kit does not include the CATS. Header to engine gaskets are not included. You can add them to the basket when you buy this exhaust.


Manifold to Head internal diameter is 39MM

Manifold to Rear silencer internal diameter is 56MM




Fits:
Porsche 964 1990-94





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

3606006401
3606006401
116081
69-PS101
96411104504
96411104605
96411104205
96411321316
96411321315
96411104502
96421104004
96421103905
96421103932

The product you are viewing cross references to these numbers
3606006404
Product Information
Product Information
designtek

Race cup pipe 2 part designed to replace the pre-silencer silencer box. The Cup pipe allows fast air flow and weight saving which together produces more BHP. Made from High grade T304 stainless steel.
The race pipe also changes the sound to a deeper sound, this design of race pipe was originally first fitted to the 964RS.

Made by DesignTek

Fits:
Porsche 964 C2 / C4 1990-94

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

3606006404
3606006404
92.200S
1620700800
96411104504
96411104502

The product you are viewing cross references to these numbers
1620606200
Product Information
Product Information
Exhaust, Sport, rear, Stainless Steel, polished. With TÜV/EEC approval, without exhaust pipe.

danskmotorsport   tuv

Fits:
Porsche 964 C2/C4 3.6 12/88-06/94

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

1620606200
1620606200
92.560S
96411104504

The product you are viewing cross references to these numbers
1620612500
Product Information
Product Information
Exhaust with 2 outlets and block-off possibility in one side, Sport, stainless steel, polished.
With TÜV/EEC approval

danskmotorsport   tuv

Fits:
Porsche 964 C2/C4 3.6L 12/88-06/94

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

1620612500
1620612500
92.560SD
96411104504

The product you are viewing cross references to these numbers
3606006403
Product Information
Product Information
Side exhaust bypass pipe with 2 mounting straps. Stainless Steel, polished.

danskmotorsport

Race cup pipe 2 part designed to replace the pre-silencer silencer box. The Cup pipe allows fast air flow and weight saving which together produces more BHP. Made from High grade T304 stainless steel.
The race pipe also changes the sound to a deeper sound, this design of race pipe was originally first fitted to the 964RS.

Fits:
Porsche 964 C2 / C4 1990-94

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

3606006403
3606006404
92.200S
1620700800
96411104504

The product you are viewing cross references to these numbers
1620614900
Product Information
Product Information
Exhaust Sport with two GT3 Ø70 mm center tail pipes. Porsche 964 C2 / C4
Made of stainless steel, tail pipes of polished stainless steel


danskmotorsport 

Fits:
Porsche 964 C2/C4 3.6 12/88-06/94



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

1620614900
96411104504

The product you are viewing cross references to these numbers
DISPLAYING 17 to 25 (of 25 products)
1 2
Also found on these pages
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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