The Racing Stage 2 Kit for Aprilia Tuono V4 2025 (USA 2026) combines dedicated ECU management with an optimized intake path to sharpen throttle response, strengthen midrange, and keep installation simple and fully reversible. It brings together the GRT velocity stacks, the UpMap T800+, and the Sprint Filter PM01S high-flow air filter.
What’s Included
GRT velocity stacks engineered for Tuono V4 Euro 5+, optimizing 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. Includes a €168 UpMap coupon to download the map of your choice from the UpMap store. Product page
Sprint Filter PM01S performance air filter, washable and reusable, designed for maximum airflow with excellent filtration. Product page
Key Benefits
Quicker throttle response and cleaner delivery across the rev range.
Stronger midrange and improved top-end thanks to matched intake dynamics and ECU mapping.
High airflow with reliable filtration from the Sprint Filter PM01S.
Plug-and-play installation with easy return to stock whenever needed.
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 + filter configuration, supports error reading and clearing, live data via app, and OEM map restore. €168 coupon included for one map download.
Sprint Filter PM01S: polyester mesh element for high airflow and durability, washable and reusable.
Compatibility
Valid exclusively for Aprilia Tuono V4 E5+ 2025 (USA 2026).
Installation
Install the GRT velocity stacks and the PM01S air filter, verifying correct airbox sealing.
Connect UpMap T800+, back up the OEM map, redeem the €168 coupon on the UpMap store, and load the dedicated map for stacks + filter.
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 and filter. 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.
