All Silencers / Mufflers

Replace your restrictive, heavy mid-pipe resonator with our free-flowing X-Pipe to improve exhaust flow, increase power, and enhance the exhaust note.
SOUND:Unleash a more aggressive V8 exhaust note from your GTS Panamera. Our X-Pipe give's the GTS a higher pitched race bread tone.
FEATURES:
• Fits all Porsche 970 Panamera GTS (4.8L V8) vehicles (2010-2016)
• Constructed from 14-16 gauge, CNC mandrel bent • T304 stainless steel pipes.
• Major improvement in power throughout the RPM range.
• No CEL's (Check Engine Light) and emission's compliant
• Simple DIY (Do-It-Yourself) bolt-on installation, no welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime 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Related, superseded, cross reference or alternative numbers for comparison.
FSPOR970GTSXP
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
Maxflo Performance Exhaust will give your 970 GTS an increase in power, weight savings and a throatier and deeper exhaust note throughout the RPM range; includes Deluxe Quad Style Tips.
FEATURES:
• Fits all Porsche 970 Panamera GTS (4.8L V8) vehicles (2010-2016)
• Increases power and throttle response
• Includes Fabspeed's Deluxe Quad Style Tips in your choice of finish
• Improves sports car sound and power throughout the RPM range
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Simple DIY (Do-It-Yourself) bolt-on installation, no welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
SOUND:
Give your Panamera an aggressive V8 snarl. Expect a significantly louder and deeper exhaust note than the factory system.
NOTE:
Minor cutting required at factory exhaust break point to install the Fabspeed product (Reference Dimple Locations on OEM)
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Related, superseded, cross reference or alternative numbers for comparison.
FSPOR970GTSMAX
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
With electronic exhaust valve

Fits:
Porsche Panamera 970.1 S and GTS - 2010-2013
Porsche Panamera 970.2 GTS 2013-2016
This exhaust system is not street legal. These mufflers can be fitted both on 2WD and 4WD models
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual
RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector
EXHAUST VALVE - ELECTRIC
The exhaust system is complete with electric valve. The electric actuator is not included and the standard actuator already installed on the car must be used. Control of the original valve is still provided
SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS NUMBER AND POSITION
2 + 2 AT THE SIDES
The tailpipes are located low down at the sides of the car. There are two tailpipes at each side
MATERIAL
AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal
MAIN PIPE DIMENSION - 60
This is the diameter of the main pipe of the exhaust system
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
With electronic exhaust valve

Fits:
Porsche Panamera 970.1 S and GTS - 2010-2013
Porsche Panamera 970.2 GTS 2013-2016
This exhaust system is not street legal. These mufflers can be fitted both on 2WD and 4WD models
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual
RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector
EXHAUST VALVE - ELECTRIC
The exhaust system is complete with electric valve. The electric actuator is not included and the standard actuator already installed on the car must be used. Control of the original valve is still provided
SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS NUMBER AND POSITION
2 + 2 AT THE SIDES
The tailpipes are located low down at the sides of the car. There are two tailpipes at each side
MATERIAL
AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal
MAIN PIPE DIMENSION - 60
This is the diameter of the main pipe of the exhaust system
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
Without electronic exhaust valve

Fits:
Porsche Panamera 970.1 S and GTS - 2010-2013
Porsche Panamera 970.2 GTS 2013-2016
This exhaust system is not street legal. These mufflers can be fitted both on 2WD and 4WD models
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual
RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector
EXHAUST VALVE - ELECTRIC
The exhaust system is complete with electric valve. The electric actuator is not included and the standard actuator already installed on the car must be used. Control of the original valve is still provided
SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS NUMBER AND POSITION
2 + 2 AT THE SIDES
The tailpipes are located low down at the sides of the car. There are two tailpipes at each side
MATERIAL
AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal
MAIN PIPE DIMENSION - 60
This is the diameter of the main pipe of the exhaust system
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
Standard Exhaust Systems – Engineered for Performance, Sound & Longevity
A standard exhaust system is essential for your Porsche’s performance, efficiency, and sound. It controls the flow of exhaust gases from the engine, reduces emissions, manages noise levels, and ensures balanced back pressure for optimal power delivery.
At Design911, we supply standard exhaust systems built from high-grade stainless steel and corrosion-resistant materials. Designed to meet or exceed manufacturer performance standards, these systems deliver the perfect blend of durability, refinement, and performance — ideal for both daily driving and restoration projects.
Each exhaust system is developed to ensure precise fitment, excellent gas flow, and an authentic Porsche exhaust note that retains the car’s original character.
What Do Standard Exhaust Systems Do?
A standard exhaust system performs several vital roles that keep your Porsche running efficiently, cleanly, and safely.
Core Functions:
- Directs
exhaust gases safely away from the engine.
- Reduces
emissions through catalytic converters and silencers.
- Controls
back pressure for balanced performance and fuel efficiency.
- Minimises
engine noise while preserving Porsche’s signature tone.
- Aids temperature regulation and exhaust scavenging.
A properly maintained exhaust system ensures smooth performance, reduced fuel consumption, and compliance with emissions regulations.
Why Do Exhaust Systems Fail?
Exhaust systems are constantly exposed to heat, moisture, and corrosive gases — all of which take a toll over time.
Common Causes of Failure Include:
- Corrosion
and rust from road salt, condensation, and moisture.
- Cracked
welds or pipes due to vibration and thermal cycling.
- Internal
baffle damage causing rattling or loss of silencing effect.
- Blocked
or leaking joints leading to reduced performance and increased noise.
- Burnt-out catalytic converters or mufflers reducing efficiency.
Signs of exhaust failure include loud noises, rattling,
exhaust odours, or reduced engine performance — all clear indicators that
replacement is required.
Why Replace Standard Exhaust Components?
Replacing a worn or damaged exhaust system restores performance, comfort, and efficiency while maintaining your Porsche’s distinctive exhaust tone.
Key Benefits:
- Restores proper exhaust flow and back pressure.
- Improves fuel efficiency and power output.
- Reduces noise and vibration.
- Ensures emissions compliance and MOT readiness.
- Built from corrosion-resistant stainless steel for longevity.
- Direct-fit compatibility for classic and modern Porsche models.
Upgrading to a high-quality standard exhaust preserves the car’s original performance characteristics while ensuring long-lasting reliability.
Highlights:
- Precision-engineered exhaust systems for Porsche vehicles.
- Optimised gas flow for power, torque, and efficiency.
- Durable stainless-steel construction for corrosion resistance.
- Designed for authentic tone and perfect fitment.
- Suitable for classic restoration and modern maintenance.
- Reliable, quiet, and performance-balanced solutions.