FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)
FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)
FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)
FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)
FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)
FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)

FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)

FABSPEED PORSCHE 718 GT4/GTS/SPYDER RACING HEADERS WITH HJS CATALYTIC CONVERTERS (2020+)

  • Fits all Porsche 4.0L Cayman/Boxster GT4/GTS/Spyder vehicles 2020+

  • Impressive dyno proven power gains of 31 whp and 19 ft/lbs of TQ with the Sport Cats and 33 whp and 24 ft/lbs of TQ with Cat Bypass installed
  • Save 2 lbs / 0.9 KGs with Sport Cats and 7 lbs / 3.2 KGs with Cat Bypass compared to the factory headers
  • Modular design that uses a V-band clamp so one can quickly swap between cats and cat bypass
  • With the RENNKRAFT® system, you can quickly install our QUICKTRACK™ cat bypass pipes for Racing and all out Race track-only competition events
  • The RENNKRAFT® system has been awarded a US Patent and is the only system of its kind in the world
  • Switching to cat-bypass for track events prevents catalytic converter degradation during all out competition racing abuse
  • F1 style high velocity merge collectors
  • Designed from 3D scans of the OEM headers so we can achieve perfect bolt-on fitment
  • We use German-made HJS HD tri-metallic 200-cell EURO 6 homologated catalytic converters for the best performance and reliability
  • We use the largest catalytic converters that will fit in the factory location for maximum flow
  • Flows 93% of a 2.5 in straight pipe
  • Optimized for maximum performance with NO catalyst generated check engine light, guaranteed, when Sport Cats are installed
  • No ECU tune required
  • NOT EPA or CARB Certified and not be used on street driven vehicles
  • Will fit with any brand of aftermarket exhaust system designed to work with the factory headers
  • Built 100% in house at Fabspeed Motorsport USA in Fort Washington, PA
  • These are the very finest headers for the 718 4.0 liter cars and where developed in collaboration with HJS Emissions Technology
  • 25+ years of air-cooled and water-cooled Porsche experience went into our design for these hand-crafted headers
  • Constructed from CNC mandrel-bent T304L stainless steel
  • Simple DIY (Do-It-Yourself) bolt-on installation, no cutting or welding required

PRICING BASED ON PARTS PACKAGE AND SHIPPING DESTINATION

Why Buy From Us?

Proven Legacy

20 years in the industry isn’t survival—it’s validation. We have earned our place through consistency, top quality parts and unmatched customer service

Over 30000 parts online

Largest selection of tested and approved quality items from all around the world .

Team of petrol heads and experts – at your service

Honest and professional consultation by industry specialists with extensive knowledge of all tuning and aftermarket products

The Service You Trust

Established, worldwide logistics with our trusted delivery partners, 100% risk-free, insured global shipping

Tailored Approach

No generic solutions. Every project is approached with intent, precision, and attention to detail with recommendations given to suit every budget and purpose

After-Sales Support That Actually Exists

We are not here for one sale — we are here for the lifecycle of all your car builds and answer all your questions before the purchase and after.

Frequently Asked Questions

Will the purchased parts fit my car?
Yes. We are offering refined parts expertise. Nearly two decades of hands-on experience means we don’t guess - we know what works, what lasts and what performs best.
Is professional installation required?
Yes. Although some parts are easy to install if you are mechanically inclined, we always recommend professional installation done by automotive workshops or body shops who can guarantee smooth and pleasant installation experience and assure great end results.
Do you ship parts internationally and how long deliveries usually take?
Yes. We supply all parts globally. Air express shipping usually takes 10–15 days for delivery and sea economy shipping approx. 30–60 days to doorstep. Smaller to medium size parts can be sent by air, for larger complete body kits with bumpers and bonnets we are offering economy service by ship to door or if requested also by air.
Can you source specific brands or custom parts?
Yes. Through our established global network, we can source any brands, also highly specific components tailored to your build if needed.
Are your products custom-made or off-the-shelf?
Every project is built around your vision. While some parts might be in stock read to go, most of our products is made-to-order - tailored to your exact vehicle specifications, fitment requirements and design preferences.
Will modifications affect my warranty?
Certain modifications can impact manufacturer warranty. We guide you through this clearly and offer solutions that minimise risk wherever possible. Usually with body kit upgrades, carbon fibre add-on parts or muffler upgrade, the factory warranty remains in place.
Do you offer complete builds or individual components?
Both. From full vehicle transformations to individual upgrades, every project is approached with the same level of detail and intent. Customer can obtain one part or all depending on the idea and complexity of the envisioned project.
How do I start a project with you?
Begin with a consultation. Every project begins with a structured consultation with one of our experts to define direction, components and outcome. We assess your vehicle, discuss your vision and define a clear, tailored plan with correct parts to meet the budget.

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