Description
Experience full control over your Porsche’s exhaust sound with the SST Exhaust Flap / Valve Control, designed specifically for the Porsche 718 Cayman Type 982 (from 2019). Made in Germany, this high-quality plug-and-play module lets you switch between quiet refinement or an exhilarating sports exhaust tone at the touch of a button. Compatible with both standard and sports exhaust systems, this system integrates seamlessly into your vehicle’s electronics for flawless operation and OEM-level quality. Built to IP66 standards, it is fully dustproof and waterproof for lasting durability.
Compatible Vehicles
Porsche 718 Cayman GTS 4.0 (Type 982) – 294 kW / 394 hp (YOC from 2019)
Porsche 718 Cayman GT4 (Type 982) – 309 kW / 414 hp (YOC 2019–2023)
Porsche 718 Cayman GT4 RS (Type 982) – 368 kW / 493 hp (YOC from 2021)
Technical Specifications
Vehicle Brand: Porsche
Model: 718 Cayman
Vehicle Type: 982
Power Range: 294–368 kW (394–493 hp)
Model Years: 2019–2025
Control Unit Type: AKS.GT4
Protection Class: IP66 (dustproof / waterproof)
Number of Controlled Flaps: 1–2 (depending on engine variant)
Installation Location: Engine compartment – waterproof and hidden from view
Dimensions: 65 × 50 × 35 mm
Origin: Made in Germany
Easy Installation
The control unit is pre-assembled and pre-programmed, including illustrated installation and operation instructions. No vehicle modifications are required. Installation can also be performed at our facility upon request.
Guaranteed Compatibility
100% plug-and-play installation
No fault codes or warning lights
No interference with on-board electronics
Zero standby power consumption when switched off
Selectable Driving Modes
Sport Mode: Flaps permanently open for maximum exhaust sound and performance
Comfort Mode: Flaps permanently closed for quieter operation
Factory Mode: Flaps operate as originally configured by Porsche
Smart Features
Memory function allows the system to remember the last mode or default to a preferred mode on startup
Compatible with both OEM and performance exhaust systems
Durable construction ensures long-term reliability under demanding conditions
Legal Notice
This control unit may not be installed in vehicles with ABE/road approval within the European Union. Installation will void the vehicle’s operating license in these regions. For racing, show, or export use only. Please check the applicable legal regulations in your country before installation.
Fitment Summary
Brand: Porsche
Model: 718 Cayman (Type 982)
Years: 2019–2025
Engines: GTS 4.0 / GT4 / GT4 RS
Power: 294–368 kW (394–493 hp)
Control Unit Type: AKS.GT4
Origin: Made in Germany
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
