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

Model	Years
Aprilia RS 660	2021/2024 – USA 2025
Aprilia Tuono 660	2021/2024 – USA 2025

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

Install the GRT velocity stacks following the manufacturer’s instructions.
Connect the UpMap T800+ and follow the in-app process to save the stock ECU map.
Select and load the recommended map for use with GRT stacks.
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.