Description
Yamaha has revealed the GYTR Yamaha YZF-R9 kit parts in 2 different kits:
1) Phase 1 Trackday kit > use these GYTR parts to upgrade the performance of your YZF- R9 trackday bike.
2) Phase 2 FIM NG World Supersport kit > used by Stefano Manzi in 2025 on his Championship winning Yamaha YZF-R9. This kit also includes the compulsory FIM homologated parts.
This GYTR performance part GYTR9FUN1200 is part of the Phase 2 Airbox Kit.
See picture for full kit.
GYTR R9 Air Funnel 1 and 2 WSS – Part Number: GYTR9FUN1200
Developed directly from Yamaha’s World Supersport (WSS) racing program, the GYTR R9 Air Funnel Set delivers optimized airflow and maximum engine efficiency for track and competition use. Designed for professional racers and serious enthusiasts, these components are precision-engineered to enhance the performance of the YZF-R9 under demanding racing conditions.
Part Number: GYTR9FUN1200
Compatibility:
- Yamaha YZF-R9 (2025 and later)
- Type: World Supersport Specification Air Funnel Set (1 & 2)
Function: Replaces the standard air funnels with race-developed WSS-spec units to improve air intake velocity and increase power output at high RPM.
Features:
- WSS-Derived Design: Developed using data and experience from Yamaha’s official World Supersport racing program.
- Enhanced Airflow: Optimized funnel geometry improves intake efficiency and throttle response.
- Performance Focused: Designed to support maximum power and acceleration during competitive track use.
- Lightweight & Durable: Constructed from precision-molded, high-strength materials suitable for racing conditions.
- Direct Fitment: Engineered specifically for the YZF-R9 airbox for perfect integration with the GYTR race intake system.
- Track Use Only: Intended for closed-course racing and not approved for public road use.
Installation: Professional installation recommended. For best results, use in combination with GYTR ECU and WSS-spec intake components.


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