Racing Stage 2 Kit – UpMap T800+ + GRT Velocity Stacks Tuono V4 2025 (USA 2026)

Racing Stage 2 Kit – UpMap T800+ + GRT Velocity Stacks Tuono V4 2025 (USA 2026)

Product Description

The Racing Stage 2 Kit for Aprilia Tuono V4 2025 (USA 2026) pairs dedicated ECU management with an optimized intake path to sharpen throttle response, strengthen midrange, and clean up top-end pull, while keeping installation simple and fully reversible. The kit includes a €168 UpMap coupon to download the map of your choice from the UpMap store.

What’s Included

• GRT velocity stacks specifically engineered for Tuono V4 Euro 5+, designed to optimize airbox flow and cylinder filling. Product page
• UpMap T800+ ECU flashing device with Bluetooth app, OEM map backup and restore, and dedicated map loading for this setup. €168 UpMap coupon included to redeem one map download. Product page

Key Benefits

• Quicker throttle response and smoother delivery across the rev range.
• Stronger midrange with cleaner top-end thanks to optimized intake dynamics and mapping.
• Plug-and-play installation and easy return to stock when needed.
• Electronic integration via UpMap to fully exploit the GRT stacks.

Technical Details

• GRT velocity stacks: Tuono V4 Euro 5+ specific, developed to enhance cylinder filling at mid rpm and sustain high-rpm performance.
• UpMap T800+: loads a dedicated map for the stacks configuration, supports error reading and clearing and live data via app, includes OEM map restore and a €168 coupon for one map download.

Compatibility

Valid exclusively for Aprilia Tuono V4 E5+ 2025 (USA 2026).

Installation

1. Install the GRT velocity stacks and verify correct airbox sealing.
2. Connect UpMap T800+, back up the OEM map, redeem the €168 coupon on the UpMap store, and load the dedicated map for the stacks configuration.
3. Perform final checks for alignment and clear any stored errors via the UpMap app if necessary.

FAQ

Do I need to remap the ECU?
Yes. Use UpMap to load the dedicated map that optimizes fueling and ride-by-wire for the stacks. The kit includes a €168 coupon to choose and download your preferred map.

Is the kit reversible?
Yes. You can restore the OEM map at any time and revert to the stock configuration.