Catalyst / Bypass

Fabspeed Primary Sport Catalytic Converters.
The Fabspeed Porsche 986 Boxster Primary Sport Catalytic Converters are high-flow replacement catalysts designed for 1997–1999 Porsche 986 Boxster and Boxster S models.

Fits:

Designed to replace the more restrictive factory catalytic converters, these performance catalysts improve exhaust-gas flow while retaining catalytic converter functionality. The result is a more performance-oriented exhaust path designed to improve throttle response, support increased power potential and enhance the naturally aspirated Porsche flat-six exhaust note.

Fabspeed uses HJS/EMITEC high-flow catalytic converter technology, with the manufacturer specifying a 200 CPSI (cells per square inch) catalyst design. Fabspeed states that these catalysts can flow approximately 90–93% of the volume of a straight pipe in many applications while continuing to provide exhaust-gas treatment.

The converters are designed as a direct bolt-on replacement for the original catalytic converters, making them suitable for use with the factory OEM-style muffler or aftermarket exhaust systems designed to accept the original Porsche catalytic converter arrangement.

What This Product Does:
Catalytic converters form part of the vehicle's exhaust system and are designed to chemically convert harmful exhaust pollutants into less harmful compounds before gases leave the tailpipe.

However, exhaust gases must pass through a catalyst substrate, which creates some resistance to flow.

The Fabspeed Primary Sport Catalytic Converters use a high-flow catalyst design intended to reduce this restriction compared with the original factory catalysts.

Potential benefits include:

• Improved exhaust flow
• Reduced exhaust restriction
• Improved throttle response
• Increased performance potential
• Reduced weight compared with the original catalysts
• Enhanced flat-six exhaust sound
• Retained catalytic converter functionality

200CPSI High-Flow Catalyst Design:

• Catalytic converter density is commonly described in cells per square inch (CPSI).
• A performance-oriented 200 CPSI catalyst provides a relatively open exhaust path while maintaining the large internal surface area required for catalytic exhaust-gas treatment.
• Fabspeed states that its HJS/EMITEC 200 CPSI catalysts can flow approximately 90–93% of a straight pipe in many applications.
• This high-flow construction is designed to provide a balance between exhaust performance and catalyst functionality.

Performance:
Fabspeed states that these Sport Catalytic Converters improve power and throttle response, but the current product listing does not publish specific numerical gains.

The manufacturer currently lists:

Horsepower: TBD
Torque: TBD
Weight: TBD

Specific horsepower, torque or weight-saving figures should therefore not be assumed.

Actual performance will depend on factors including:

• Engine condition
• Existing exhaust configuration
• Rear muffler system
• Intake modifications
• ECU calibration
• Fuel quality
• Ambient conditions
• Testing equipment
• Testing methodology

Why Upgrading Matters:
The original catalytic converters do not have to be faulty before fitting the Fabspeed Sport Catalytic Converters.

They can also be installed as a performance upgrade.

Reasons for upgrading include:

• High-flow 200 CPSI catalyst design
• HJS/EMITEC catalyst technology
• Reduced exhaust restriction
• Improved exhaust flow
• Improved throttle response
• Increased performance potential
• Enhanced flat-six exhaust note
• Reduced weight compared with factory catalysts
• Retains catalytic converter functionality
• Direct bolt-on installation
• Compatible with factory-style exhaust connections
• Designed specifically for 1997–1999 Porsche 986 models

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

FSPOR9861PSC

The product you are viewing cross references to these numbers

Heatshield Locking Bolt 6x12. EACH.



Fits:
Porsche Boxster 986


Click 'Zoom in' for large parts diagram.
Diagram ref no 27

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

99950800401

The product you are viewing cross references to these numbers

Heatshield Locking Bolt washer 7,4mm . EACH.



Fits:
Porsche Boxster 986

Click 'Zoom in' for large parts diagram.
Diagram ref no 26

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

90015100703

The product you are viewing cross references to these numbers

Standard Replacement Exhaust Catalytic Converter for Porsche Boxster 986 2.7L / 3.2L 400 Cell

PORSCHE BOXSTER 2.7L & 3.2L S Replacement Type Approved Petrol Cats made in grade 409 stainless steel. Recommend to change in a pair

Fits:
Porsche Boxster 986 2.7L / 3.2L
Note: You will need M8x1x10 Plug (9000838000) & M8x11.5 Seal ring (90012305020) from each original Cat or suitable replacement

A catalytic converter is an emissions control device to stop harmful exhaust gasses from entering the atmosphere. In 1993, they became legality in the UK as part of the Euro Emissions standards. The aim of them is to improve air quality. As emissions standards have become more stringent the number of cats on a vehicle has increased. Many vehicles now have two or more to enable them to meet the Euro Emissions standards.

Our cat is made up of the following components:
• Ceramic monolith of a honeycomb design to allow free air flow and maximum surface area, coated with precious metals to enable the conversion of gasses that pass through it
• Interam matting to hold the monolith in place. The matting expands when exposed to heat to supply the pressure needed to keep the monolith secure
• A grade 409 stainless steel can (or housing) to provide protection and enable the cat to be built into the exhaust system. 409 grade can contain upto 90% iron and will be prone to rust. It still has higher rust-resistant properties than mild steel.

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

99611302

The product you are viewing cross references to these numbers

Standard Replacement Exhaust Catalytic Converter for Porsche Boxster 986 2.5L



Porsche Boxster 2.5L Replacement Cats made in grade 409 stainless steel. Recommend to change in a pair

Fits:
Porsche Boxster 986 2.5L

Note: You will need M8x1x10 Plug (90021901500) & M8x11.5 Seal ring (90012305020) from each original Cat or suitable replacement

A catalytic converter is an emissions control device to stop harmful exhaust gasses from entering the atmosphere. In 1993, they became legality in the UK as part of the Euro Emissions standards. The aim of them is to improve air quality. As emissions standards have become more stringent the number of cats on a vehicle has increased. Many vehicles now have two or more to enable them to meet the Euro Emissions standards.

Our cat is made up of the following components:

• Ceramic monolith of a honeycomb design to allow free air flow and maximum surface area, coated with precious metals to enable the conversion of gasses that pass through it
• Interam matting to hold the monolith in place. The matting expands when exposed to heat to supply the pressure needed to keep the monolith secure
• A grade 409 stainless steel can (or housing) to provide protection and enable the cat to be built into the exhaust system. 409 grade can contain upto 90% iron and will be prone to rust. It still has higher rust-resistant properties than mild steel.

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

99611392

The product you are viewing cross references to these numbers

Retaining clip Speed nut. EACH.



Fits:
Porsche Boxster 986

Diagram ref no 25

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

99950741308

The product you are viewing cross references to these numbers