Racing Stage 2 Kit for RSV4 E5+ 2025 (USA 2026) – GRT Velocity Stacks & UpMap
The Racing Stage 2 Kit is designed specifically for the Aprilia RSV4 1100 E5+ EU 2025 and the RSV4 1100 E5+ USA 2026.
This exclusive bundle combines the GRT velocity stacks with the UpMap T800+ device, giving you a concrete performance boost without invasive modifications to the stock airbox.
Developed by the Gabro Racing Team, this package ensures easy installation, maximum reliability, and noticeable results on track or dyno.
Performance gains
+3–4 HP at high RPM (from 11,000 rpm to the rev limiter) thanks to GRT stacks, with no airbox modification required.
Faster throttle response for sharper handling on track.
Simple ECU remapping via the UpMap T800+ and its mobile app (iOS/Android).
Optimized torque curve while maintaining full engine reliability.
What’s included
GRT velocity stacks made of PA12 with advanced 3D printing, designed for maximum airflow at high RPM. Easy plug-and-play installation.
UpMap T800+ device with OBD cable, allowing Bluetooth connection directly to the ECU.
GRT Coupon worth €168 to download the dedicated “STACKS” map from the UpMap Store free of charge.
2 additional maps included via GRTMAP coupon: the original ECU map + a dedicated Gabro Racing map (value €118).
Compatibility
This kit is valid exclusively for:
Aprilia RSV4 1100 E5+ EU 2025
Aprilia RSV4 1100 E5+ USA 2026
Installation & usage
Install the GRT velocity stacks, replacing the stock ones.
Connect the UpMap T800+ via the motorcycle’s OBD port.
Save the stock ECU map through the UpMap mobile app.
Download and install the dedicated “STACKS” map using the included coupon.
Perform a full check and a short test ride on closed track.
Important: This kit is intended for track use only.
The UpMap T800+ is paired to the motorcycle’s VIN and cannot be transferred to other bikes.
Uploaded maps are not homologated for road use.
Why choose this kit
Real, measurable power gains without invasive modifications.
Developed by Gabro Racing Team, specialists in Aprilia ECU tuning and performance parts.