SKU: POR.718GT4.RSVLV
Fabspeed 718 GT4 / GTS / Spyder 4.0liter engine to – GT4RS Conversion Package (2020+)
Transform your 2020-2024 Porsche 718 Cayman GT4 GTS or Boxster Spyder GTS 4.0L with the Fabspeed GT4RS Conversion Package a complete bolt-on exhaust retrofit featuring MAXFLO GT4RS system. This upgrade delivers dyno-proven gains of +30 HP and +22.8 ft/lbs TQ across the RPM band pushing over 400 WHP while retaining catalysts and stock ECU. Experience GT4RS-level exhaust note with valves open via PSE mimicking the factory GT4RS setup.
Key Features
- Power Gains: +30 HP and +22.8 ft/lbs TQ from 3700 RPM through 7500 RPM on dyno-tested PDK and manual transmissions
- Weight Reduction: -20 lbs / -9 kg lighter than stock for improved handling and acceleration
- Bolt-On Design: Direct replacement includes GT4RS over-axel pipes and valvetronic rear section no additional parts needed
- Exotic Sound: GT4RS X-pipe amplifies 4.0L note to race-inspired volume tolerable on street turns heads on track
- Premium Materials: T304L stainless steel or titanium with UK-imported Helical valves used in Ferrari McLaren Porsche GT3 cars
Product Notes
- Retains stock catalysts and ECU tune with no fault codes or check engine light on USA models
- Compatible with Daman Motorsport 4.5L engine builds select 70mm tips in carbon fiber satin black polished or brushed finishes
- Fully tested on street and racetrack worldwide fits all 718 4.0L variants
Installation Notes
- Professional installation recommended.
- Bolt-on process requires no cutting welding or ECU flashing uses factory mounts
- Stock tips cannot be reused due to flow restriction new 70mm tips included
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2024 | Porsche | 718 Cayman | GT4 4.0L |
| 2020-2024 | Porsche | 718 Cayman | GTS 4.0L |
| 2020-2024 | Porsche | 718 Boxster | Spyder 4.0L |
| 2020-2024 | Porsche | 718 Boxster | GTS 4.0L |
Why Choose Fabspeed?
- 30+ years engineering Porsche air and water-cooled exhaust systems
- In-house design and manufacturing by team owning 718 GT4 GT4RS Spyder
- Lifetime Warranty on all performance products
Frequently Asked Questions
- Q: Does this fit 2020+ 718 GT4 GTS Spyder with manual or PDK?
A: Yes fully compatible with both manual and PDK transmissions worldwide 4.0L engines - Q: What materials and valves are used?
A: T304L stainless or titanium with Helical UK valves proven in Porsche GT3 Ferrari McLaren no cheap alternatives - Q: Is professional installation required and does it trigger codes?
A: Bolt-on install recommended professional no check engine light or codes on USA models retains stock ECU
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure custom box 48x18x18 inches
- Weight: 35 lbs shipped (product -20 lbs lighter than stock)
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