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Sport Silencers / Mufflers
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 Of:
- 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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
- 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
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
The product you are viewing cross references to these numbers
- 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
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
The product you are viewing cross references to these numbers
- 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

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
The product you are viewing cross references to these numbers
- 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

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
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93

Fits:
Porsche 964 C2/C4 3.6 12/88-06/94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1620606200
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
With TÜV/EEC approval

Fits:
Porsche 964 C2/C4 3.6L 12/88-06/94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1620612500
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 914 (1970-1976)

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
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Made of stainless steel, tail pipes of polished stainless steel
Fits:
Porsche 964 C2/C4 3.6 12/88-06/94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1620614900
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Fits:
Porsche 964 Turbo (965) 1991-92
Porsche 964 Turbo (965) 1993-94
Kit Contents:
Fabspeed’s high-flow sport headers are designed to retain full cabin heat functionality while unlocking noticeable performance gains. Thanks to a shorter exhaust gas path and smooth mandrel bends, these headers dramatically improve exhaust flow - boosting power, sharpening throttle response, and reducing turbo lag, with boost onset up to 1500 RPM earlier than stock. They also deliver a mild increase in volume, a more pronounced turbo spool sound, and a deeper, more aggressive exhaust tone.
- Constructed from 14-16ga CNC mandrel-bent T304L stainless steel with high velocity F1-style merge collectors for optimum exhaust flow.
- This system will include a drip accumulator with double swivels and Aeroquip lines with adaptors, plus graphite steel layered gasket for a leak proof seal.
- 7/8"custom braided oil lines with correct 30mm radius Porsche style ball end with OEM fittings will be included to replace the stock oil lines.
- Retains the stock cabin cockpit heat functionality.
- Simple DIY (Do-It-Yourself) bolt-on installation, no cutting or welding required.
- Backed by Fabspeed's Lifetime Warranty.
Fabspeed's Maxflo dual outlet muffler delivers a deep, aggressive exhaust note along with a significantly enhanced turbo spool sound—bringing out the true character of your 964 Turbo.
- Includes Fabspeed's Deluxe Outlet Tips; polished angle-cut ovals.
- Maxflo Mufflers are radius stress relieved, hydro-formed cases that are pulse TIG welded with 2000 degree ceramic fiber and stainless steel wool packing.
- Constructed from high-quality 14-16 gauge C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability.
- Complete 3.0" tubing for maximum flow.
- Includes 4.5" wastegate tip and all required hardware.
- Simple DIY (Do-It-Yourself) bolt-on installation, no cutting or welding required.
- Backed by Fabspeed's Lifetime Warranty.
Fabspeed’s high-performance intake system replaces the outdated, heavy steel factory airbox found on 930 and 964 Turbo (965) models - a design originally from the 1970s and '80s that traps heat like a Dutch oven and severely limits airflow. This factory setup bakes the intake air, reducing performance and efficiency. In contrast, Fabspeed’s Cold Air Intake is engineered to reduce weight and deliver significantly cooler, denser air directly to the engine - resulting in dyno-proven horsepower and torque gains.
- Saves maintenance time, and weighs much less, for better handling and cooler engine temperatures.- Increases horsepower and torque by +17.5 HP and +26 ft-lbs.
- Significant weight savings along with finally an uncluttered CLEAN to BE SEEN awesome engine bay.
- Cleans up engine bay for easier access for maintenance and car shows!
- Allows fitment of larger intercoolers versus banging into the steel heavy airbox.
- Supports up to 550+ horsepower.
- VIDEO- installation instructions and photos online. Super simple engineered system.
- Used and installed by a WHOs WHO of Porsche Turbo engine builders Worldwide!
- CAD Designed and DYNO developed 100% Guaranteed to be the very best air intake for your 964 Turbo!
- Backed by Fabspeed's Lifetime Warranty.
FITMENT NOTE: After the initial heat cycle, be sure to retighten all exhaust bolts to OEM torque specs to ensure a proper, lasting seal.
NOTE: This system replaces the factory catalytic converter with a high-flow setup and is not MOT compliant, meaning it is intended for race and track use only and must not be used on public roads. If you are located outside the UK, please check your local laws and regulations to ensure compliance before installation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR964TSPKG
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
-
air cleaner 964 TURBO M30.69 and M64.50 1991-94 106-05
-
exhaust system: muffler, catalytic converter 964 M64.01/02/03 1989-94 202-00
-
exhaust system: heat exchanger 964 M64.01/02/03 1989-94 202-05
-
heat exchanger 964 TURBO M30.69 and M64.50 1991-94 202-10
-
exhaust system 964 TURBO M30.69 and M64.50 1991-94 202-15
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