Exhaust catalytic converter. Porsche 928 5.4i GTS 8/91-11/95



Fits:
Porsche 928 5.4i GTS 8/91-11/95
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Related, superseded, cross reference or alternative numbers for comparison.
92811321904
The product you are viewing cross references to these numbers
- Porsche 928GTS 5.4L 1992-95

Supercup Turbo back Exhaust System for the 718 Boxster/Cayman is the ultimate solution for performance, decreasing turbo lag and 36lbs of weight while offering an invigorating increase in turbo sound and boxer rumble.
SOUND: With Sport mode activated burbles and backfires erupt in abundance on overrun, and downshifts summon a bark that will make all eyes and ears around focus on you. Worry not about drone as the volume level in the cabin is quite refined given the aggressive nature of the exhaust - this system is very livable on a daily driven car. The factory exhaust mutes the turbochargers, the free-flowing Supercup reveals their presence with a very pleasing increase in spooling sounds, adding more character to your driving experience. The boxer engine rumble is enhanced and refined in a distinct Porsche tone.
FINISH: Full polished T304L stainless steel, beautifully welded together and finished off with hand made T304L single-wall stainless steel tips or premium carbon fiber shrouded tips which fit the rear bumper of the 718 like a finely tailored suit.
PREMIUM HJS HD CATALYST: Fabspeed Motorsport is the largest distributor of premium HJS catalysts in North America, and second largest in the world. Based off years of engineering experience and ample testing we've selected the ideal catalyst to unlock performance from the factory exhaust system. This German imported 200 cell HJS HD catalyst is the top of the line solution to increase exhaust flow, resulting in a satisfying increase in turbo sound to match the extra horsepower gains. This specific catalyst has proven itself in numerous Ferrari and Lamborghini applications - able to withstand extreme abuse while preventing any check engine lights. The HD designation signifies the incorporation of a brazing stripe and special mantles to hold the metal matrix in place through the toughest of conditions while ensuring the overall integrity of the catalyst. The best part - increased performance without a check engine light.
CATBYPASS PIPE: We also offer the Supercup Turboback without a catalytic converter for those looking for the most aggressive exhaust in terms of power, exhaust volume, and turbo noise. A check engine light can be expected due to eliminating the catalytic converter. The CEL occurrence can be reduced/eliminated through the use of our O2 Spacers or upcoming tuning solutions.
POWER: The addition of Fabspeed's Supercup Turboback Exhaust System with Sport Cat added 10 whp and 13 ft-lbs at 4000 rpm as tested on our Dynojet. Expect more power and response with our Catbypass option. The Supercup Turboback is a very free flowing system and full potential will be realized with a tune. We look forward to extracting even more power with our hardware in conjunction with a Fabspeed ECU Tune at a later date as soon as possible.
WEIGHT:
• Factory Exhaust System (tips to turbo): 66 lbs / 30 kg
• Fabspeed Supercup Turboback Exhaust with Sport Cat: 30 lbs / 13.6 kg (-36 lbs)
• Fabspeed Supercup Turboback Exhaust with Catbypass Pipe: 26 lbs / 11.7 kg (-40 lbs)
FEATURES:
• Fits all Porsche 718 Boxster/Cayman Base/S models (2017+)
• Choose between real matte Carbon Fiber tips or hand made T304L Single-Wall Stainless Tips for a stylish look
• 3" diameter CNC mandrel bent piping straight through for maximum power gains
• No check engine light (with Sport Cat option)
• Constructed from thick .065" wall T304L stainless steel tubing for maximum power and durability
• Designed and built in-house at Fabspeed in our full precision machine shop
• Direct bolt-on installation; no cutting or welding required
• 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.
FSPOR718SCUPS
The product you are viewing cross references to these numbers
- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)

Supercup Turbo back Exhaust System for the 718 Boxster/Cayman is the ultimate solution for performance, decreasing turbo lag and 36lbs of weight while offering an invigorating increase in turbo sound and boxer rumble.
SOUND: With Sport mode activated burbles and backfires erupt in abundance on overrun, and downshifts summon a bark that will make all eyes and ears around focus on you. Worry not about drone as the volume level in the cabin is quite refined given the aggressive nature of the exhaust - this system is very livable on a daily driven car. The factory exhaust mutes the turbochargers, the free-flowing Supercup reveals their presence with a very pleasing increase in spooling sounds, adding more character to your driving experience. The boxer engine rumble is enhanced and refined in a distinct Porsche tone.
FINISH: Full polished T304L stainless steel, beautifully welded together and finished off with hand made T304L single-wall stainless steel tips or premium carbon fiber shrouded tips which fit the rear bumper of the 718 like a finely tailored suit.
PREMIUM HJS HD CATALYST: Fabspeed Motorsport is the largest distributor of premium HJS catalysts in North America, and second largest in the world. Based off years of engineering experience and ample testing we've selected the ideal catalyst to unlock performance from the factory exhaust system. This German imported 200 cell HJS HD catalyst is the top of the line solution to increase exhaust flow, resulting in a satisfying increase in turbo sound to match the extra horsepower gains. This specific catalyst has proven itself in numerous Ferrari and Lamborghini applications - able to withstand extreme abuse while preventing any check engine lights. The HD designation signifies the incorporation of a brazing stripe and special mantles to hold the metal matrix in place through the toughest of conditions while ensuring the overall integrity of the catalyst. The best part - increased performance without a check engine light.
CATBYPASS PIPE: We also offer the Supercup Turbo back without a catalytic converter for those looking for the most aggressive exhaust in terms of power, exhaust volume, and turbo noise. A check engine light can be expected due to eliminating the catalytic converter. The CEL occurrence can be reduced/eliminated through the use of our O2 Spacers or upcoming tuning solutions.
POWER: The addition of Fabspeed's Supercup Turbo back Exhaust System with Sport Cat added 10 whp and 13 ft-lbs at 4000 rpm as tested on our Dynojet. Expect more power and response with our Catbypass option. The Supercup Turbo back is a very free flowing system and full potential will be realized with a tune. We look forward to extracting even more power with our hardware in conjunction with a Fabspeed ECU Tune at a later date as soon as possible.
WEIGHT:
• Factory Exhaust System (tips to turbo): 66 lbs / 30 kg
• Fabspeed Supercup Turbo back Exhaust with Sport Cat: 30 lbs / 13.6 kg (-36 lbs)
• Fabspeed Supercup Turbo back Exhaust with Cat bypass Pipe: 26 lbs / 11.7 kg (-40 lbs)
FEATURES:
• Fits all Porsche 718 Boxster/Cayman Base/S models (2017+)
• Choose between real matte Carbon Fiber tips or hand made T304L Single-Wall Stainless Tips for a stylish look
• 3" diameter CNC mandrel bent piping straight through for maximum power gains
• No check engine light (with Sport Cat option)
• Constructed from thick .065" wall T304L stainless steel tubing for maximum power and durability
• Designed and built in-house at Fabspeed in our full precision machine shop
• Direct bolt-on installation; no cutting or welding required
• 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.
FSPOR718SCUPC
The product you are viewing cross references to these numbers
- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)
cars with the hanging brackets
Porsche 718 Cayman GT4 / Spyder 02/2020>>
Porsche 718 Cayman GT4 / Spyder - OPF/GPF 02/2020>>
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 02/2020>>
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 - OPF/GPF 02/2020>>
Link pipe set (SS) was tested and developed together with Slip-On Race Line (Titanium) system.
Constructed from high-grade lightweight titanium, with flanges cast in the in-house foundry that perfectly fit the Slip-On Race Line (Titanium) exhaust system, these pipes have been developed to create a full Akrapovič system offering increased performance and a thrilling soundtrack. With the amalgamation of these two state-of-the-art products, the sound has a true racing character with a high-frequency sporty and enjoyable tone, fully in keeping with the performance of the vehicle.
The combination of a Slip-On Race Line (Titanium) and the Link pipe set (Titanium) have been tested on the Akrapovič dyno, using a Porsche 718 Cayman GT4 with a stock exhaust system for comparison, and the Akrapovič configuration delivers a power gain of +11.6 kW at 2,600 rpm allied to a torque increase of +43.0 Nm at 2,600 rpm. The full arrangement of the exhaust and link pipes is intended for racing track use only and is not intended for street use.
For OPF: When installing the Link pipe set (Titanium), remapping the ECU is mandatory.
Fitment notice: A modification of fitting brackets done by Porsche on 718 GT4/Spyder and 718 Cayman GTS 4.0/Boxster GTS 4.0 produced approximately after February 2020 was identified. Please turn to your Area sales manager for detailed explanation on differences in order to choose the appropriate exhaust for your car.
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
L-PO
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L