The Stage 3 Airbox Bundle for Aprilia Tuono V4 1100 2025 (USA 2026) combines the GRT Stage 3 airbox kit with the dedicated UpMap T800+ device. This pairing optimizes intake efficiency and ECU management to deliver stronger top-end power, improved midrange torque, and crisper throttle response while keeping installation simple and fully reversible.
What’s Included
GRT Stage 3 Airbox Kit – Tuono V4 E5+ 2025 (USA 2026): based on the RSV4 RR/RF airbox and modified specifically for Tuono V4; larger volume, improved sealing, and better filter placement/surface. Supplied pre-assembled with Sprint Filter PM147S and connecting hoses.
Install the GRT Stage 3 airbox and included PM147S filter; verify correct airbox sealing.
Connect UpMap T800+, back up the OEM ECU map, and load the dedicated Stage 3 calibration for the airbox kit.
Perform final checks (idle, leak test) before road/track use.
Dyno graphs are indicative; results vary by bike and exhaust configuration. A premium exhaust (e.g., Akrapovic) is recommended for best results.
FAQ
Do I need ECU remapping?
Yes. Use UpMap T800+ to load the specific Stage 3 intake map so the electronics fully match the new airbox and filter.
Is the kit reversible?
Yes. The installation is plug-and-play and can be returned to stock if needed.
Final Notes
The Stage 3 Airbox Bundle – Tuono V4 2025 (USA 2026) offers a balanced, intake-focused upgrade with dedicated mapping support to enhance power, torque, and throttle response while preserving reliability and ease of use.