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Over axle GPF delete pipes. Porsche 718 GT4 / GTS / Spyder ❭ FSPOR718GT4
- 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
Ditch the factory gas particulate filters to increase power, save weight and add a throatier more aggressive tone. Our design process started with 3D scanning the entire exhaust system using our CREAFORM 700 Handscan so that we could make a complete Solidworks 3D model of the exhaust. We then designed the exhaust and fixtures using that model so that the exhaust fit perfectly to OEM standards. After multiple revisions for sound and dyno testing we settled on using a one piece mandrel bent over axle pipe that goes straight into the free flowing part of the OEM PSE exhaust and a secondary pipe TIG welded to the main section to make a Y configuration to utilize the quiet side of the PSE exhaust when the valves are closed.
SOUND:
These Over Axle GPF Delete Pipes will bring out a stronger throatier tone from your 4.0l flat six. This is a mild but noticeable increase in overall volume over stock.
FEATURES:
• Fits all 718 Cayman/Boxster GT4 / GTS / Spyder Cars 2020+
• Over Axle pipes remove and delete the Gasoline Particulate Filters, GPF, found on all 4.0L cars worldwide
• Save 9 lbs / 3.5 KG versus the stock GPF over axle pipes (T304 Stainless Steel)
• Now available in T304 Stainless Steel, Titanium, Heat Wrapped Stainless Steel, or with an added resonator
• Titanium Saves 16 lbs / 7.3 KGs comapred to stock
• More sports car sound and more exhaust flow
• Designed, engineered and built 100% in house at Fabspeed using state of the art equipment and technology
• Simple DIY bolt-on installation, no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
DISCLAIMER FOR EUROPEAN CUSTOMERS: This product removes the OEM Gas Particulate Filters from the vehicle, and as such, is strictly intended for closed track events and off-road use only, never to be driven on public roads. This product is or contains a Racing GPF Bypass Pipe, which will give you check engine lights on European OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing GPF Bypass Pipes are solely intended for track and race cars. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.
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.
FSPOR718GT4
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Gillet style flanges (1996-1998)

High-quality performance headers provide better throttle response and power throughout the RPM range.
Our Porsche header upgrades are built to unleash the horsepower from your 993 Carrera. High quality T304L stainless steel is precisely bent and shaped to provide the optimal airflow for your engine. These OEM replacement components will shed 10 pounds from the weight of your Carrera while adding power and torque across the power band.
Simply choose either style, Bischoff or Gillet style flange, for your Porsche 993 is equipped with from the drop down above. Once you have these headers, they can be installed easily without the need for adapters, cutting, or welding. These headers are not fitted with heat exchange boxes meaning they cannot help regulate your car's temperature. That makes these headers ideal for track use or in areas with warmer climates.
FEATURES:
• Fits all Porsche 993 Carrera vehicles 1994-1998 3.6 liter and 3.8 liter engines and larger (OEM Style Fitment)
• Recommended for track use or for warmer climates, as these headers do not have heat exhange boxes to provide hot air to the interior.
• Features 3-into-1 high velocity merge collector and 1.75" / 45mm equal length header tubes
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Simple bolt-on installation; no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
INSTALLATION NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs.
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.
FSPOR993SHDRWOHG
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Bischoff style flanges (1994-1996/05)

High-quality performance headers provide better throttle response and power throughout the RPM range.
Our Porsche header upgrades are built to unleash the horsepower from your 993 Carrera. High quality T304L stainless steel is precisely bent and shaped to provide the optimal airflow for your engine. These OEM replacement components will shed 10 pounds from the weight of your Carrera while adding power and torque across the power band.
Simply choose either style, Bischoff or Gillet style flange, for your Porsche 993 is equipped with from the drop down above. Once you have these headers, they can be installed easily without the need for adapters, cutting, or welding. These headers are not fitted with heat exchange boxes meaning they cannot help regulate your car's temperature. That makes these headers ideal for track use or in areas with warmer climates.
FEATURES:
• Fits all Porsche 993 Carrera vehicles 1994-1998 3.6 liter and 3.8 liter engines and larger (OEM Style Fitment)
• Recommended for track use or for warmer climates, as these headers do not have heat exhange boxes to provide hot air to the interior.
• Features 3-into-1 high velocity merge collector and 1.75" / 45mm equal length header tubes
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Simple bolt-on installation; no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
INSTALLATION NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs.
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.
FSPOR993SHDRWOHB
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97

• Fits all Porsche 993 Carrera NARROW BODY vehicles (1994-1998)
Our precision-engineered exhaust system for the Porsche 993 Carrera will open up the engine's airflow in order to increase performance where it counts. The high-quality T304L stainless steel upgrade will reduce the weight of the rear end by 15 pounds compared to the OEM system. This aftermarket performance exhaust is one of the easiest ways to see serious improvements, with a boost of 14 horsepower coming from the upgrade. And to complete this hardware upgrade, our optional Deluxe Oval Style Tips are the perfect compliment to this exhaust to further enhance your vehicles look and style.
SOUND: Unleash a more throaty sports car sound while still maintaining daily drive-ability by possessing various sound deadening characteristics with an outcome that encompasses a refined and intoxicating sound.
POWER: Our Maxflo muffler design incorporates a high-flowing path for the exhaust gases to travel versus the much more restrictive factory muffler. On our dyno we saw 14whp at the peak.
FEATURES:
• Reuse your factory OEM tips or upgrade to • Fabspeed Deluxe Oval Style Tips in your choice of finish
• Adds +14 whp
• Saves 1 lbs / 0.4 KGs compared to the factory exhaust system
• Cat-Back system is 50 state Emissions legal
• Constructed from mandrel bent T304L stainless steel
• Simple DIY bolt-on installation, no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
NOTE:
The original factory ball-joint clamps must be re-used when installing Fabspeed exhaust products on all 993 Carrera vehicles.
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.
FSPOR993MAX
The product you are viewing cross references to these numbers
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