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Exhaust Valvetronic X-Pipe system. Porsche 718 GT4 / GTS / Spyder (2020+) ❭ FSPOR718GT4VLV
- Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
For early model exhaust brackets

The Fabspeed Valvetronic X-Pipe Exhaust System for the 718 4.0L cars wakes up the sleepy Porsche PSE exhaust and gives them a truly exotic sports car sound all while retaining the functionality of PSE (Porsche Sport Exhaust). 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 our CAD flow engineered investment cast X-Pipe and 2.5" 63.5 mm tubing for the most power and exotic sports car sound. The CAD flow modeled X-pipe is an exclusive Fabspeed part that gives a smooth high pitched exotic sound and flows much better than a X-Pipe handmade from U bends cut and welded together. The exhaust valves we use are made by Helical Limited in the United Kingdom. These ISO 9001 certified valves are the same ones Ferrari, McLaren and Porsche use on their GT cars. The flanges are thick 304 stainless steel that we CAD designed to perfectly match the OEM flanges and reuse the factory metal gaskets.
SOUND: With PSE off our Valvetronic exhaust gives a nice increase in volume without any cabin drone. With PSE on and the valves open it turns the 4.0L's exhaust note into a truly exotic sound with a significant increase in volume. This system will turn heads as you rip by.
POWER: When used in conjunction with our GPF Delete Over Axle Pipes we saw a gain of 14 HP and 32 ft/lbs of TQ at 2400 RPM, 8 HP and 9 ft/lbs of TQ at 4900 RPM and 12 HP and 8 ft/lbs of TQ at 7500 RPM. This is low end torque you'll really feel around town and horsepower that continues all the way up to redline.
FEATURES:
• Fits all 718 Cayman GT4 / GTS / Spyder Cars 2020+ (For early model exhaust brackets)
• Significant Dyno gains across the RPM band. +32ft/lbs TQ @ 2400RPM, +18ft/lbs TQ @ 3600RPM, and +15.5HP @ 7100RPM
• Helical Limited U.K. Silicon Carbide exhaust valves
• CAD designed X-Pipe made using investment casting for maximum possible flow and spectacular sports car sound
• Constructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Emissions legal in all 50 states
• No Check Engine Light guaranteed
• Direct simple bolt-on installation, no cutting or welding required
• Weight savings of 4lbs 1.8KG vs the factory PSE exhaust
• Backed by Fabspeed's Lifetime 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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR718GT4VLV
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

Bolt-on replacement outlet tips for factory and aftermarket exhaust systems.
FEATURES:
• Fits all Porsche 957 Cayenne Turbo / Turbo S vehicles (2008-2010)
• Available in Polished finish
• High-quality 14-16ga T304 stainless steel construction
• Simple DIY installation
• 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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR957TQDTP
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.
FEATURES:
• Fits: all Porsche 957 Cayenne Turbo / Turbo S vehicles (2008-2010)
• Increases horsepower and torque by 27 whp and 22 ft-lbs
• Saves 24 lbs from the vehicle versus bulky and restrictive factory catalytic converters
• Fabspeed's Secondary Catbypass Pipes replace the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.
• Direct bolt-on replacement for the heavy factory catalytic converters
• Adds an aggressive exhaust note for exotic high-performance sound
• Constructed from polished T304L stainless steel
• 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.
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.
FSPOR957TCB
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fabspeed's Sport Cats include a high performance stainless steel flex bellow section for optimal fit
Direct replacement for factory OEM catalytic converter; Fabspeed's sport cats are lighter, higher flowing, and more durable for increased performance and longevity.
FEATURES:
• Fits: all Porsche 957 Cayenne Turbo / Turbo S vehicles (2008-2010)
• Adds 15 Whp for noticably improved throttle response
• Includes 200-cell HJS Sportcats imported from Germany for maximum flow
• Constructed from high-quality 14-16 gauge C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Direct replacement for factory catalytic converters
• 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.
FSPOR957TPSC
The product you are viewing cross references to these numbers
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