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Porsche > 964 (911) (1989-1994) > Exhausts >

Switchable Silencers / Mufflers

Switchable Silencers / Mufflers

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CARGRAPHIC GT Sport Exhaust System With ID42 GT Manifold Set, With Heating, With Exhaust Valves. Porsche 964 Carrera 2/4/RS - 96411104504, 96411104605, 96411104502, 96421103905, 96421103932, 96421104004
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CARGRAPHIC GT Sport Exhaust System With ID42 GT Manifold Set, With Heating, With Exhaust Valves. Porsche 964 Carrera 2/4/RS
CARP64GTKITFLAP
Product Information
Product Information
CARGRAPHIC GT Sport Exhaust System With ID42 GT Manifold Set, With Heating, With Exhaust Valves 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 Of:
2x CARGRAPHIC ID42 GT manifold set with ID 42mm primaries and enlarged 2,5" / 63,50mm flared end collector boxes
CARGRAPHIC with / without 2x200 cpsi Ø110mm HF catalytic converters link pipe set with heating Ø140mm and integrated exhaust valves pressureless closed (PLC)
CARGRAPHIC sport rear silencer with Aeroquip flanges, Tailpipe outlet left and right
2x CARGRAPHIC sport tailpipes 122x85mm, oval design, slash cut, rolled in - mirror polished
Adapterset heater hoses
Fitting kit including gaskets, bracket and bandstraps  


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

Key Features & Benefits:

  • Absorptive silencer design with CNC mandrel-bent pipework
  • Fully made from SS304L lightweight stainless steel
  • High performance components, dyno tested
  • OE / factory heating system retains full functional
  • 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
  • New designed Ø2,5" / 63,50mm exhaust flaps are pressureless closed (PLC) which means the car will start quietly (where as the ordinary version needs intake vacuum to close the flaps which always takes quite some time and can be annoying)
  • With flaps closed the gases flow, via the bypass pipes, silenced through the final silencer, where as with flaps open most of the gas stream flows freely through a second exit within the tailpipes.
  • The sound is reminiscent of the famous and legendary RSR`s, simply breath taking!
  • 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.

CARP64GTKITFLAP
96411104504
96411104605
96411104502
96421103905
96421103932
96421104004

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

Title: Upgrading Your Porsche's Exhaust System: Original Porsche vs. Aftermarket Mufflers and Sports Exhaust

Keywords: Porsche, exhaust mufflers, sports exhaust, upgrade, replacement, technical specifications, known issues, Design911, professional advice

Summary:

Original Porsche Exhaust Mufflers:

Designed and manufactured by Porsche for specific models

Engineered to meet stringent quality standards

Precisely tuned for optimal performance and sound

Maintains the authenticity and originality of your Porsche

Compatible with existing components and systems

Aftermarket Exhaust Mufflers:

Produced by third-party manufacturers specializing in performance upgrades

Offer a wide range of options for customization

Can enhance exhaust note, performance, and aesthetics

May provide better flow dynamics for improved engine efficiency

Consider compatibility and fitment with your Porsche model

Sports Exhaust Systems:

Designed to maximize performance and enhance the driving experience

Typically include larger diameter pipes, sportier mufflers, and optimized airflow

Offer increased horsepower and torque

Produce a more aggressive and exhilarating exhaust sound

Check local regulations regarding noise restrictions

When considering purchasing an exhaust muffler or sports exhaust for your Porsche, several factors should be considered. Firstly, determine your specific requirements, whether it's a slight improvement in sound or a significant performance boost. Research the technical specifications and compatibility of the chosen exhaust system with your Porsche model. Consider your budget and the reputation of the manufacturer or retailer. It's crucial to ensure the product is backed by warranties or guarantees.

At Design911, we can assist you in finding the correct exhaust part for your Porsche. Our knowledgeable team can offer professional advice based on your requirements and guide you through the selection process. We stock a wide range of original Porsche parts as well as reputable aftermarket options, ensuring you have access to high-quality choices. Trust Design911 to help you enhance your Porsche's performance and provide an unmatched driving experience.

Note: The summary provided above is a general overview of the benefits and considerations related to upgrading the exhaust system of a Porsche vehicle. It's always recommended to consult with a professional and consider individual vehicle specifications and regulations before making any modifications.

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