SKU: 88908335953

Fabspeed Porsche 981 Cayman GT4 Spyder Valvetronic Exhaust System

Sale price$1894.47 Regular price$2104.97
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Description

Fabspeed Porsche 981 Cayman GT4 Spyder Valvetronic Exhaust SystemFabspeed's Valvetronic Exhaust System is the ultimate cat back setup for the ultimate street drivable GT4 dual use street track car. New anti resonance technology makes for an even more enjoyable experience. SOUND: We're proud to offer a premium exhaust solution for the Porsche Cayman GT4. Our Valvetronic Exhaust offers two distinct tones depending on valve position: mild and wild. It was important to retain civility around town with valves closed,

Fabspeed's Valvetronic Exhaust System is the ultimate cat-back setup for the ultimate street-drivable GT4 dual use street/track car. New anti-resonance technology makes for an even more enjoyable experience.                            

SOUND:

We're proud to offer a premium exhaust solution for the Porsche Cayman GT4. Our Valvetronic Exhaust offers two distinct tones depending on valve position: mild and wild. It was important to retain civility around town with valves closed, mission accomplished. You'll be able to enter your neighborhood after a midnight joyride without having to explain yourself at the next HOA meeting. Open the valves, and you'll be treated to a glorious roar befitting of the GT4. Burbles and backfires erupt in abundance, and downshifts summon a bark that will make all eyes and ears around focus on you. We're not exaggerating. This system will put an ear-to-ear smile on the most miserly of faces.

POWER:

When combined with Fabspeed's Race Headers, our Valvetronic Exhaust System allows you to push 375 whp out of your GT4! Even with Sport Headers coming in at 371 whp, the gains in power are as impressive as the sound. The Fabspeed exhaust suite completely eliminates the torque dip in the 3500 RPM range and offers power gains all the way through redline. The increase in low end power will make a great difference in street drivability with the long gearing of the GT4. 

FEATURES:

  • Fits all Porsche 981 Cayman GT4 / 981 Boxster Spyder vehicles (2015-2016)
  • Choose between real matte Carbon Fiber tips or Single Wall Tips that are made in house for a racecar look
  • CAT-BACK emissions legal. Bolts onto OEM Porsche catalytic converters. 
  • Weighs 7lbs less than the factory rear muffler system.
  • CNC Mandrel bent 2.5" 63.5 precision inlet tubes to a valvetronic rear system with a 2.5" 63.5mm ultra high flow rear X pipe. 
  • Independently dyno tested by multiple Porsche engine builders and Race Teams to make more power than any other systems with world class symphonic sports car sound.
  • Helical Aerospace United Kingdom exhaust valves- same ultra 'never fail' valves used on Porsche GT3, GT3RS. Silica carbide quality. 
  • Constructed from 14-16ga T304L stainless steel tubing for maximum power and durability
  • Direct bolt-on installation; no cutting or welding required
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88908335953

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Denise Shiles
Los Angeles, US
★★★★★ 5
Great Quality
Size: 8.5"X11"
This A-SUB sublimation paper is a great quality. I have been using it for many years and have had absolutely no issues. I use it with an Epson 2780 inkjet printer. I have never had a jamming issue or smudging.
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Tamara Hughley
Boise, US
★★★★★ 5
Happy to find a seller that carries the 120
Size: 8.5"X11"
I’ve been doing sublimation since May 2025. I have tried a variety between 105, 120 and 125. I’m not exactly sure why 120 ASub it is becoming harder to find . I absolutely love it. When I make my stainless steel tumblers, my colors pop more with 120.
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Dinusha
Grantham, US
★★★★★ 4
Great Sublimation Paper – Perfect for Mugs
Size: 8.5"X11"
I purchased A-SUB Sublimation Paper 8.5x11 Inch 120GSM and I’m very happy with the results. The colors transfer beautifully. I used it for sublimation mugs and the print came out vibrant, sharp, and very professional-looking. No fading, no dull colors. I also tried using it for a cap, but the issue was not the paper — my cap heat press machine didn’t perform well and the transfer failed. For mugs, this paper works perfectly. Highly recommend for mug sublimation projects.
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Reviewed in the United States on February 24, 2026
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Michael mariana
Port Orchard, US
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Craft paper
Size: 8.5"X11"
Good price!
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Arte Cool & Neo
Dallas, US
★★★★★ 5
Excelente papel para sublimación
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“Muy buena calidad. Los colores salen vivos y definidos al sublimar. El secado es rápido y funciona perfecto con mi impresora de sublimación. Muy recomendado para proyectos personalizados y pequeños negocios creativos.”
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Reviewed in the United States on May 15, 2026

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