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- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
The Fabspeed Porsche 996 Carrera Sport Headers are high-performance exhaust manifolds designed to improve exhaust flow, engine response and the characteristic sound of the Porsche flat-six engine.
Fits:
- Porsche 996 C2 3.6L 1999-2004
- Porsche 996 C4 3.6L 1999-2004
Replacing the restrictive factory-style exhaust manifolds, the Fabspeed headers use equal-length, CNC mandrel-bent primary tubes to improve exhaust-gas scavenging and balance exhaust pulses between cylinders.
The headers terminate in specially designed F1-style merge collectors, creating a smoother transition for exhaust gases compared with the factory log-style collector arrangement.
Designed as a direct bolt-on replacement for the original headers, they provide a performance upgrade without requiring replacement of the entire exhaust system.
What This Product Does:
Exhaust headers collect exhaust gases leaving each cylinder and direct them towards the rest of the exhaust system.
The factory exhaust manifold must perform the same basic function, but its design can create restrictions and less-efficient interaction between individual exhaust pulses.
The Fabspeed Sport Headers are designed to provide a smoother and more efficient route for exhaust gases leaving the engine.
Their equal-length primary design helps coordinate exhaust pulses before they reach the collector.
This is intended to improve:
- Exhaust-gas flow
- Exhaust scavenging
- Cylinder-to-cylinder exhaust pulse balance
- Engine breathing
- Throttle response
- Torque delivery
- Horsepower
- Flat-six exhaust character
Performance Benefits:
Fabspeed reports dyno-tested improvements of:
Horsepower: +15 WHP
Torque: +12 ft-lb
Weight Reduction: Approximately 2 lb
These are manufacturer-reported figures from a specific test vehicle and should not be interpreted as guaranteed output for every Porsche 996.
Actual results can vary depending on:
- Engine condition
- Vehicle specification
- Fuel quality
- Existing exhaust modifications
- Intake modifications
- ECU calibration
- Ambient temperature
- Dyno type and testing procedure
Why Upgrading Matters:
The Fabspeed Sport Headers are primarily a performance upgrade, rather than a routine replacement component.
Owners may choose them even when their original exhaust manifolds remain serviceable.
The principal reasons for upgrading include:
- Improved exhaust flow
- Equal-length primary design
- Improved scavenging
- Increased horsepower potential
- Increased torque potential
- More responsive engine character
- Smoother flat-six exhaust tone
- Reduced rear weight
- Direct bolt-on installation
They can also complement other performance modifications such as upgraded catalytic converters, performance mufflers, intake systems and suitable ECU calibration.
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Sold each - 4 required per car
Fits:
Porsche 970.1 Panamera turbo S 4.8ltr - 2009 to 2013
Porsche 970.2 Panamera turbo S 4.8ltr - 2014 to 2016
958 Cayenne Turbo S 4.8ltr - 2010 to 2018
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94811140171
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
Fits:
Porsche 957 Cayenne S 2007-10
Porsche 957 Cayenne GTS 2007-10
Porsche 958-1 Cayenne S 4.8L V8 2011-14
Porsche 958-1 Cayenne GTS 4.8L V8 2011-14
Diagram reference(s):
Cylinders 1-4 - No. 8
Cylinders 5-8 - No. 11
NOTE: Our product image shows 95511121201, which is for cylinders 1-4.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95511121
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
Fits:
Porsche 957 Cayenne S 2007-10
Porsche 957 Cayenne GTS 2007-10
Porsche 958-1 Cayenne S 4.8L V8 2011-14
Porsche 958-1 Cayenne GTS 4.8L V8 2011-14