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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram

Manifold / Headers

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DISPLAYING 1 to 16 (of 22 products)
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MANIFOLDKIT991T
Product Information
Product Information
Exhaust manifold fitting kit.

Contains manifold to head studs, gaskets and manifold to turbo lock nuts.
Bolts and nuts are made out of Titanium. Gaskets are OEM.

Fits:
Porsche 991 Turbo 2014-2020

MANIFOLDKIT991-1
Product Information
Product Information
Exhaust manifold fitting kit.

Contains manifold to head studs, gaskets and manifold to exhaust lock nuts.
Bolts and nuts are made out of Titanium. Gaskets are OEM.

Fits:
Porsche 991.1 Carrera 2012-2016

Best Product
3606109915
Product Information
Product Information
A Voucher for £100 available when you buy this product. For more information CLICK HERE

DesignTek Exhaust manifold / header with 200 Cell Euro 4 coating substrate.
Price is for PAIR.

designtek

Fits:
Porsche 991.1 Carrera / S

NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606109915
3606109875
99111341104
991113411AX
99111341202
99111341204
991113412AX

The product you are viewing cross references to these numbers
Best Product
3606109918
Product Information
Product Information
A Voucher for £100 available when you buy this product. For more information CLICK HERE

DesignTek Exhaust manifold / header with catalyst bypass.
Price is for PAIR.

designtek

Fits:
Porsche 991.1 Carrera / S

NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606109918
99111341104
991113411AX
99111341202
99111341204
991113412AX

The product you are viewing cross references to these numbers
Best Product
3606109919
Product Information
Product Information
A Voucher for £100 available when you buy this product. For more information CLICK HERE

DesignTek Exhaust manifold / header with catalyst bypass.
Price is for PAIR.

designtek

Fits:
Porsche 991.1 Carrera 3.4L 2012-2015
Porsche 991.1 Carrera S 3.82012-2015


NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606109919
99111341104
991113411AX
99111341202
99111341204
991113412AX

The product you are viewing cross references to these numbers
Fourteen Percent Off
E-PO/T/5
Product Information
Product Information
Evolution race header set (Titanium).

Fits:
Porsche 911 (991.2) GT3 RS

Evolution Race Header Set converts the slip-on system into a full system, built for the track and gives the Porsche GT3 the extra performance to match. Handcrafted titanium headers incorporate 100 cpsi sports catalytic convertors and titanium flanges—cast in Akrapovič's own foundry. The system offers a perfect power curve right from 3,000 rpm to the very top of the power band, designed to continually increase performance as the revs rise. Along with improved torque and the maximum weight savings to enhance handling, adding the Evolution Race Header (Set) will have the car performing like a true cup racer—with a deep, loud, and powerful Akrapovič racing sound to match its performance.

When installing Akrapovič aftermarket optional link pipes with sports catalytic converters or without catalytic converters, which are developed for use on closed tracks only, remapping the ECU is mandatory. When installing Akrapovič aftermarket exhaust system that was developed for use on closed tracks, we recommend remapping the ECU in order to prevent potential »check engine light« warning signals.

NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

E-PO
9A111302195
9A1113021FX
9A111302295
9A1113022FX

The product you are viewing cross references to these numbers
Best Product
TITANSTUDS18
Product Information
Product Information
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system. 

rohler

• Ultra-high-performance product
• Use of Titanium Ti6Al4V technology

Contains 18 x Studs (38mm), Nuts & Washers

Fits:
Porsche 996 Turbo / GT3 / GT2
Porsche 997 Turbo / GT3 / GT2
Porsche 997.2 ALL
Porsche 991 ALL
Porsche 992 ALL
Porsche 987 2009-12
Porsche 981
Porsche 718 GT4

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TITANSTUDS18
90037813100
90037822709
99907507400
90037822701
99907353501
99907507400
99907353501
99907507400

The product you are viewing cross references to these numbers
Best Product
3606309101
Product Information
Product Information
Designtek Exhaust Manifold / Header.
PRICE IS FOR A PAIR

designtek

Fits:
Porsche 991.1 Turbo

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606309101
3606309101
64-601S
99111171171
99111171172
99111171271
99111171272

The product you are viewing cross references to these numbers
Best Product
TITANTORXLONG18
Product Information
Product Information
Titanium exhaust manifold bolts M8x27. Torx head.
Pack of 18 pcs.

rohler

Fits:
Porsche 996 Turbo / GT2 / GT3 1999-2005
Porsche 997.1 Turbo / GT2 / GT3 2007-2009
Porsche 997.2 Turbo / GT2 RS / GT3 2010-2013

Porsche 991 Turbo / Turbo S / GT2RS  2014-2020

Titanium is a highly corrosion-resistant material, which is particularly important in exhaust systems due to the exposure to extreme heat and moisture. The corrosion resistance of titanium bolts ensures longevity and reduces the risk of premature failure, ultimately saving the owner from costly repairs.

Click 'Zoom in' for large parts diagram.
Diagram ref no 9



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TITANTORXLONG18
99907358901
90037822701
90037813100

The product you are viewing cross references to these numbers
Best Product
TITANTORXSHORT18
Product Information
Product Information
Exhaust manifold bolts M8x21. Made out of Titanium
Set of 18 pcs

rohler

Titanium is a highly corrosion-resistant material, which is particularly important in exhaust systems due to the exposure to extreme heat and moisture. The corrosion resistance of titanium bolts ensures longevity and reduces the risk of premature failure, ultimately saving the owner from costly repairs.


Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 997.2 Carrera 2009-2012
Porsche 981 Boxster 2012-2016
Porsche 981C Cayman 2014-2016
Porsche 991 MKI 2012-2016
Porsche Cayman GT4 2016

Click 'Zoom in' for large parts diagram.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TITANTORXSHORT18
99907353501
99907347101
99907353502

The product you are viewing cross references to these numbers
Best Product
N01024426/T
Product Information
Product Information
Exhaust Bolt - Manifold to Catalytic Converter. M8 x 30
Material:  Titanium 
Price is EACH

rohler

Fits:
Porsche 997 MKI C2 / C4 / C2S / C4S
Porsche 997 MKII C2 / C4 / C2S / C4S
Porsche 991 MKI C2 / C4 / C2S / C4S

Porsche 987 Boxster MKI
Porsche 987 Boxster MKII
Porsche 981 Boxster MKI

Porsche 987C Cayman MKI
Porsche 987C Cayman MKII
Porsche 981C Cayman MKII

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

N01024426
90007536502
N01024426

The product you are viewing cross references to these numbers
Special Order item
N01024426
Product Information
Product Information
Exhaust Manifold to Catalytic Converter Bolt.
M8 x 30. EACH

porsche

Fits:
Porsche 997 MKI C2 / C4 / C2S / C4S
Porsche 997 MKII C2 / C4 / C2S / C4S
Porsche 991 MKI C2 / C4 / C2S / C4S

Porsche 987 Boxster MKI
Porsche 987 Boxster MKII
Porsche 981 Boxster MKI

Porsche 987C Cayman MKI
Porsche 987C Cayman MKII
Porsche 981C Cayman MKII

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

N01024426
90007536502
N01024426

The product you are viewing cross references to these numbers
Best Price
FSPOR991RHDR
Product Information
Product Information
Fabspeed Exhaust Sport Headers.

fabspeed

Free-flowing headers without catalytic converters; designed for maximum power and exhaust flow for race and track applications.

FEATURES:
Fits: all Porsche 991 Carrera vehicles 2012+
• Adds 27 whp and 26 ft-lbs of torque at 6500rpm
• Saves 4 lbs from the rear of the vehicle
• Recommended for track/off-road use only
• Constructed from equal-length T304 stainless steel C.N.C. mandrel-bent tubing for improved torque and equalized engine pulsing
• More power and torque across the RPM band and dramatically improved sports car sound
• Gaskets are included for a leak proof seal
• Direct replacement for the restrictive OEM headers with no cutting or welding required

NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

Please note: By fitting these race headers the emission light will come on your dash and you will require the oxygen sensor extension tubes or your car to be remapped for the emission light to come off

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.

FSPOR991RHDR
99111341102
99111341104
991113411AX
99111341204
99111341202
991113412AX

The product you are viewing cross references to these numbers
Best Price
FSPOR991SHDR
Product Information
Product Information
Fabspeed Exhaust Sport Headers.

fabspeed

Performance headers improve exhaust flow and sports car sound; Sport Headers include 200-cell HJS Sport Catalytic Converters.

FEATURES:
Fits: all Porsche 991 Carrera vehicles 2012+
• Improves power by 23 whp and 22 ft-lbs. of torque at 5000rpm
• Includes German-imported 200-cell HJS Sport Catalytic Converters for maximum performance
• Investment-cast F1/ALMS/NASCAR high-velocity 3-into-1 merge collectors for maximum performance
• Constructed from high-quality 14-16 gauge C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Direct replacement for the restrictive OEM headers.
• Gaskets included for a leak proof seal
• Fabspeed Lifetime Limited Warranty.

NOTE: Fabspeed's 200-cell high-flow catalytic converters are not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California. 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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.

FSPOR991SHDR
99111341102
99111341104
991113411AX
99111341204
99111341202
991113412AX

The product you are viewing cross references to these numbers
Best Price
FSPOR991GT3SHDR
Product Information
Product Information
Fabspeed Exhaust Sport Headers.

fabspeed

Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range.

FEATURES:
Fits: all Porsche 991 GT3 vehicles 2014+
• Includes German-imported HJS 200-Cell Tri-Metallic Sportcats
• Saves 2lbs from the rear of the vehicle
• CNC mandrel-bent 1pc primary header tubes
• High-velocity motorsports-style merge collector
• Constructed from T304 Stainless Steel
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

NOTE: Fabspeed's 200-cell high-flow catalytic converters are not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California

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.

NOTE: 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 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR991GT3SHDR
9A111302190
9A111302191
9A111302192
9A1113021CX
9A111302290
9A111302291
9A111302292

The product you are viewing cross references to these numbers
Best Price
FSPOR991TSHDR
Product Information
Product Information
Fabspeed Exhaust Sport Headers.

fabspeed

High-quality performance headers provide better boost response and power throughout the RPM range

FEATURES:
Fits all 991 Turbo vehicles (2013+)
• Improves power and throttle response
• Saves 6 lbs from the rear of the vehicle
• Features 3-into-1 high velocity pyramidal investment cast merge collectors for improved exhaust scavenging.
• Constructed from high-quality 14-16 gauge C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Direct bolt on replacement for factory OEM headers with no cutting or welding required.
• Reuse of factory OEM header gaskets is required
• 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.
DISPLAYING 1 to 16 (of 22 products)
1 2
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