COBB Accessport V3 ECU Tuning Interface for Porsche 981 Boxster, Cayman, GT4, and 991.1 Carrera Models

Description

The COBB Accessport V3 for 981 Cayman / Boxster / GT4 and 991.1 Carrera is a powerful ECU-flash tool that unlocks performance potential by replacing conservative factory settings with optimized calibrations. Its bright, high-resolution color screen lets you monitor up to six real-time engine parameters — perfect when testing bolt-on upgrades or dialing in performance. With space for up to 100 maps, it adapts as your build evolves: one ECU flash tool can handle stock, mildly modified, or heavily tuned applications, making it a versatile “do-it-all” tuning solution.

Fitment Notes

• Compatible with Porsche 981 Cayman / Boxster / GT4 (2013–2016) and Porsche 991.1 Carrera (various years) — check specific ECU version before installing.

• Works with both manual and PDK transmissions (on supported models), and supports map switching without permanent ECU alteration.

• Ideal for cars with stock hardware or those fitted with bolt-on upgrades (intake, exhaust, downpipe, etc.), where tuning maximizes gains and maintains drivability.

Included

• Accessport V3 handheld tuner unit (vehicle-specific model)

• Vehicle-specific OBD-II cable for plug-in flash process

• Interchangeable faceplates for customizable look & fit

• Instructions and mounting hardware/adhesives for in-car mounting

Product Specs

• ECU flash storage: Holds up to 100 calibrations (stock, off-the-shelf, or custom) 

• Real-time monitoring: Supports up to 6 gauges simultaneously (boost, temps, AFR, etc.) for live feedback

• Data logging: Full ECU data-logging capability for diagnostics or tuning analysis 

• Performance tools: On-board timers for 0–60 mph, ¼-mile, 60-ft, and trap-speed metrics

• Reversible: Easy uninstall returns ECU to factory state — ideal for warranty retention or resale

Product Features

• Instant Performance Unlock — Flash tuned maps to unlock horsepower, torque, and throttle response hidden by conservative factory settings.

• Tuning Flexibility — Supports off-the-shelf maps or custom tunes; you can update maps as you add hardware upgrades for optimal performance.

• Live Monitoring & Diagnostics — Real-time gauges, data-logging, and on-the-go diagnostics let you verify engine health, monitor boost/temps, and detect issues early.

• Performance Tracking & Logging — Built-in stopwatch and logging tools help you track 0-60, ET, and performance before/after mods for measurable gains.

• Safe & Reversible — ECU can be reverted to stock settings any time — perfect for passes on dyno, resale value, or dealer service.

• Comprehensive Mod Support — Whether you’re stock or building a full performance setup, the Accessport grows with your car as your tuning base.

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