SYVECS S7Plus-P991.1LL Engine ECU Long Loom PnP Kit - Porsche 991.1 Turbo

SKU: S7Plus-P991.1LL
Regular price €8.978,00 incl. VAT

QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

Terms for product returns:

  • You must return the ordered products within 14 days of receiving
  • The products must be unused and without damages
  • Commission fee for handling returns is 21,90€
  • For product returns, the customer is in charge of the return costs. Only door to door service (Express)
  • Shipping costs are not refunded

For international orders sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

  • Suspension
  • Engine Tuning
  • Engine Parts
  • Exhaust Systems
  • Fueling
  • Turbochargers/superchargers
  • Drivetrain
  • ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

Syvecs S7Plus-P991.1LL is a professional-grade standalone ECU Plug & Play solution for Porsche 991 Turbo (Gen1 & Gen2) models. This kit brings a whole new level of engine, transmission and ride control to the 991 Turbo platform – with OEM integration and race-grade accuracy.

The Long Loom version allows for extensive integration without wiring harness modification, making the system suitable for everything from street cars to high-end track and drag projects.

Package contents

  • 1 × Syvecs S7Plus ECU

  • 1 × Syvecs GDI12 module

  • 1 × Porsche 991.1 Long Loom Plug & Play Wiring Harness

Key features

Full engine control

  • Real-time live tuning for all engine calibrations

  • Support for direct injection and port injection (12 nozzle option)

  • FlexFuel support (E85/gasoline automatic detection)

  • Closed-loop Lambda control with OEM sensors

  • Full VVT control

  • Adjustable direct injection pump control

  • Support for MAP sensors up to 7 bar

Porsche-specific integration

  • Full PDK transmission support

  • VTG turbo control (Variable Turbine Geometry)

  • Clutch pressure adjustment and fast logging

  • Reading and resetting DTC codes directly from the system

  • OEM steering wheel button map selection

Driving control & performance

  • Up to 12 engine maps to choose from

  • Fully adjustable launch control with anti-lag strategies

  • Rolling anti-lag / pit lane limiter

  • Flat foot shifting

  • Adjustable traction control (G-force, steering angle, wheel speeds)

  • Adjustable closed loop boost control with temperature and turbo trims

  • Torque ramp adjustment after launch

Safety & motor protection

  • Configurable engine protections (oil pressure, temperature, AFR, EGT, etc.)

  • Cylinder-specific closed-loop knock control

  • Possibility of automatic cylinder shutdown in case of severe knocking

  • Fuel system pressure monitoring and pump control

  • Anti-theft and valet modes

Data analytics & connectivity

  • Built-in data logging up to 8 hours @ 1000 Hz

  • RJ45 Ethernet connection for fast live tuning and remote control

  • CAN compatibility with racing instruments and Syvecs SDM displays

  • Built-in scope for signal analysis

Extensibility

  • Support for external sensors and safety limits

  • Free configuration of DBW throttle valves

  • Wet & Dry nitrous control

  • Possibility to control external systems based on sensors

  • Full integration with other ECU systems in the car

S7Plus ECU – State-of-the-art architecture

The S7Plus ECU uses an advanced tri-processor architecture , where a fast RISC processor handles the program logic and an FPGA is responsible for precise monitoring of crankshaft signals. This enables very precise ignition and injection timing, as well as stability even under extreme transient conditions.

Adjustment is done with Syvecs SCal software and S7 Firmware – a professional calibration tool for Porsche builds.

Why Syvecs for the Porsche 991 Turbo project?

The 991 Turbo is a technically highly advanced platform where precision ECU integration is critical. The Syvecs S7Plus-P991.1LL provides complete control over the engine, PDK transmission and VTG turbos – enabling significantly higher power levels safely.

  • Plug & Play with OEM integration

  • Full control over street, track and drag projects

  • Advanced data logging and analytics

  • Designed for 1000+ hp Porsche builds

Aptitude

  • Porsche 991 Turbo Gen1 & Gen2

  • Stage 1 street cars → thoroughbred racing builds

  • High-output VTG turbo and FlexFuel configurations

  • Professional engine building and motorsport