Aprilia RS 660 & Tuono 660 Racing Stage 2 Kit (2021/2024 – USA 2025) – UpMap T800+ + GRT Velocity Stacks

Aprilia RS 660 & Tuono 660 Stage 2 Racing Kit (2021/2024 – USA 2025) – UpMap T800+ + GRT Velocity Stacks

Plug & play upgrade for Aprilia RS 660 and Tuono 660 (2021/2024 – USA 2025): the Stage 2 Racing Kit combines the UpMap T800+ and GRT velocity stacks to deliver stronger mid-range torque, sharper throttle response, and smoother power delivery while keeping full reliability.

Why choose this kit

• Proven performance on road and track: fuller mid-range torque and quicker acceleration.
• Immediate throttle response: smoother and more precise delivery thanks to dedicated mapping and optimized intake flow.
• Easy installation: plug & play components, no permanent modifications.
• Full compatibility: fits RS 660 and Tuono 660 2021/2024 (USA 2025).
• Quality guaranteed: Gabro Racing Team components + ECU management with UpMap.

What’s included in the Stage 2 Kit

• UpMap T800+ for Aprilia RS660 & Tuono 660 (2021–2024) – Bluetooth interface to upload dedicated maps, restore stock map, and monitor ECU parameters directly from your smartphone.
• GRT velocity stacks for RS 660 & Tuono 660 – optimized profile for improved airflow speed and cylinder filling at mid-range, CNC-machined for precision.

Compatibility

Note: always specify year/market when ordering.

Technical advantages in detail

UpMap T800+

• Dedicated maps developed for setups with GRT velocity stacks.
• App-based management: upload/restore maps, OEM recovery, data logging.
• Bluetooth connection, guided procedures, no permanent wiring required.

GRT velocity stacks

• Optimized geometry to increase airflow speed and improve mid-range filling.
• CNC machining and high-quality finish for consistent tolerances.
• Enhanced delivery and rideability without compromising reliability.

Installation & resources

1. Install the GRT velocity stacks following the manufacturer’s instructions.
2. Connect the UpMap T800+ and follow the in-app process to save the stock ECU map.
3. Select and load the recommended map for use with GRT stacks.
4. Perform a final check and a short test ride.

Updated manuals: gabroracing.com/manuals

Expected results

• Stronger mid-range torque for improved rideability.
• Sharper throttle response for precise control.
• Smoother power delivery across the entire rev range.

Results may vary depending on bike condition and additional installed components.

Frequently Asked Questions

Is the kit compatible with RS 660 / Tuono 660 USA 2025?

Yes, compatibility includes USA 2025 models (always check VIN and exact production year when ordering).

Can I revert to the stock ECU map?

Yes. With the UpMap T800+ you can save and restore the OEM map at any time.

Do I need an aftermarket exhaust?

No, the kit provides a solid performance upgrade even with the stock exhaust. Other setups may require specific maps.

Is the installation reversible?

Yes. All components are plug & play and do not require permanent modifications.

Ready to unlock your Aprilia’s full potential? Add the Stage 2 Racing Kit (UpMap + GRT velocity stacks) for RS 660 and Tuono 660 2021/2024 – USA 2025 to your cart and feel the difference from the very first ride.