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Race sports exhaust silencer bypass x pipe. Porsche 991 turbo / turbo S ❭ 9M9111173171
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Fits:
Porsche 991.1 turbo / turbo S - 2014 to 2016
Porsche 991.2 turbo / turbo S - 2016 to 2019
9m 991 Turbo Titanium X-pipe centre by pass pipe
- Exhaust reuses the stock tailpipes (tailpipes not included)
- Direct bolt on
- Fits all Porsche 991.1 and 991.2 Turbo / Turbo S
- Made from Titanium TC4
9m 991 Turbo/S centre by pass pipe deletes the stock centre silencer from the rear of the car with a high flow X-pipe design made from Titanium TC4 and gives the car the extra deep enhanced sound the muffled system is crying out for.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9M9111173171
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Related, superseded, cross reference or alternative numbers for comparison.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
- Heat exchangers
- 100 Cell catalyst
- Race bypass pipe for primary muffler
- Final muffler (standard)
- 102mm angle cut tail pipe
This system will be a lot louder than standard system as it comes with reduced catalyst and race pipe instead of the primary muffler.
Fits:
Porsche 964 1989-94 (not Turbo)
*excluding Carrera 2 Tiptronic cars M64.02 engines
Fitting kit not included in price and available separately.
NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.
For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.
If you are located outside the UK, please check your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT64
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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
- Heat exchangers
- 100 Cell catalyst
- Centre muffler (standard)
- Final muffler (standard)
- 102mm angle cut tail pipe
This system will be slightly louder than standard system as it comes with reduced catalyst. Rest of the system is as close to original as possible.
Fits:
Porsche 964 1989-94 (not Turbo)
*excluding Carrera 2 Tiptronic cars M64.02 engines
Fitting kit not included in price and available separately.
NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.
For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.
If you are located outside the UK, please check your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT61
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
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