








Description
Fabspeed Motorsport USA CAD designed a GT4RS state of the art exhaust RETROFIT UPGRADE for all owners of 718 4.0L cars GT4, GTS, Spyder so they can install a Fabspeed MAXFLO GT4RS lightweight exhaust on their cars. All 2020 - 2024 4.0Liter regual 420HP owners can now have a Bolt-On conversion Package is the premium solution for adding dynamic performance and superlative sound to your GT4 / GTS / Spyder on the street. Delivering well over 400 horsepower to the wheels with easy-to-install bolt-on upgrades (on a GT4 / Spyder / GTS 4.0L), there is no better option for you as an owner seeking maximum power and performance while retaining catalysts and the stock ECU tune. Will work fantastic with a Deman Motorsport 4.5 liter engine build too! Simply install the Fabspeed 718 GT4RS conversion Performance Package and get all the power you ever need. Fully street and racetrack tested on PDK and Manual cars! ONLY Fabspeed Motorsport that concurrently owns a 718 GT4 manual, GT4RS, Boxster Spyder can possibly design and inhouse manufacture a world class innovative system so any 718 4.0 liter owner can have GT4RS exhaust performance and sports car sound on their cars and eliminate extra complications as a direct replacement bolt-on .
SOUND:
With PSE (Porsche Sport Exhaust) on and the valves open, this system turns the 4.0L's exhaust note into a truly exotic sound GT4RS sound with a significant increase in volume utilizing our iconic and highly sought after GT4RS X-pipe. This system will turn heads as you rip by, some cheers from the nearby pedestrians may have you hitting the accelerator a little more often. Tolerable enough for street driving and highway cruising, and intoxicating when driving with a bit more spirit.
POWER:
After many dyno hours and incremental refinements to our design we were able to achieve dyno gains of 25 WHP and 19 FT/LBS of TQ at 7500 RPM. Best of all, power gains are seen as low as 3700 RPM, so there are power gains across the entire power band!
Options:
- Fabspeed Porsche 718 GT4 RS Valvetronic X-Pipe
- Fabspeed Porsche 718 GT4 RS Titanium Valvetronic X-Pipe
FEATURES:
- Fits all Porsche 718 Cayman/Boxster GT4/GTS/Spyder Cars worldwide (2020 - 2024+)
- Significant Dyno gains across the RPM band +30 HP and +22.8 FT/LBS of TQ
- Weight savings of -20 lbs / -9 KG's
- 100% Complete BOLT-ON conversion - includes 4.0L to GT4RS over axel pipes and Fabspeed state of the art GT4RS rear valvetronic system. Nothing else to buy.
- Constructed from CNC mandrel-bent T304L stainless steel or Titanium (Depending on selected option)
- Both T304 and Titanium Valved systems uses Helical Valves imported from the U.K. which are the highest quality valves on the market
- HELICAL limited are the ONE and ONLY exhaust valves that should be USED on any sports car - Helical 100% bullet-proof used exclusively my Ferrari, McLaren, Aston Martin, Pagani, Keoniggseeg and Porsche GT3 race and street cars. NO Cheap 100% guaranteed to fail Chinese Taiwanese mongrel exhaust valves. IF its NOT Helical U.K. - ask questions and DO NOT be a sucker and buy any exhaust with no name guaranteed to fail valves.
- Side effects may include extreme euphoria and uncontrollable laughter. Some users have expressed acceleration-induced excitement.
- Fabspeed is not responsible for miles per gallon lost, however; smiles per gallon gained is entirely our fault
- Optimized for maximum performance with no fault codes no check engine light, guaranteed (USA Models Only, EU models please inquire)
- Choose between real Carbon Fiber, Satin Black, Polished Stainless, Brushed Stainless 70mm I.D. tips. You cant not reuse stock tips as they CHOKE and limit exhaust flow.
- Simple bolt-on installation, no cutting or welding required
- Fabspeed has over 30+ years of Porsche air and water cooled excellence
- All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
Warranty
Our warranty terms are based on each manufacturer’s guidelines. Depending on the specific manufacturer, customers may be eligible to process warranty claims either directly with the manufacturer or through us. For detailed information or assistance with warranty inquiries, please contact our support team.
Shipping & Returns
Shipping time will be provided once your order has been processed. Please note that shipping options cannot be changed after your order has been placed.
For returns, kindly contact our support team for guidance. We'll walk you through the process and ensure everything goes smoothly.
Frequently Asked Questions
OEM (Original Equipment Manufacturer) parts are made by the vehicle’s original manufacturer and guarantee perfect fit and performance. Aftermarket parts are produced by third-party companies and may offer enhanced performance or cost savings, but compatibility should always be verified before purchase.
Yes, we work with a network of certified and approved workshops to ensure professional installation of your performance parts. Get in touch with us to find a recommended installer near you.
Yes, but it’s important to ensure they work together without causing performance issues. Some aftermarket parts are designed to complement OEM components, while others may require full system upgrades.
Yes, once your order is shipped, a tracking number will be emailed to you.
Orders can only be modified or canceled before they are processed. Please reach out to us as soon as possible.
If you're not completely satisfied with your purchase, you may return it within 7 days of receiving your order for a full refund, excluding delivery costs. Please note that this policy does not apply to special order parts. To qualify for a refund, items must be unused and returned in their original packaging.