- World Wide ShippingSafe & fast with DHL (Express)
- Official GYTR Pro-ShopAnd Yamaha WorldSSP Supported Team
- 12 Times World ChampionsDecades of racing experience
GYTR YZF-R9 TRACKDAY SYSTEM
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 907983430100 is part of the Phase 1 Engine Kit.
See picture for full kit.
GYTR Trackday System – Part Number: 907983430100
Developed in partnership with Akrapovič, the GYTR Trackday System transforms the Yamaha YZF-R9 into a true track-ready machine. This exhaust system delivers improved performance, reduced weight, and an exhilarating sound, all while meeting noise regulations for many trackday events.
Part Number: 907983430100
Compatibility:
- Yamaha YZF-R9 (2025 and later)
- Type: Full Akrapovič Trackday Exhaust System
Function: Replaces the OEM exhaust with a lightweight, performance-oriented system specifically tuned for track use, balancing power gains with compliant sound levels.
Features:
- Trackday Optimized: Designed to meet noise limits commonly enforced at European and international trackdays.
- Performance Gains: Increases horsepower and torque for stronger midrange and top-end delivery.
- Lightweight Construction: Built with high-quality titanium to significantly reduce weight compared to the stock exhaust.
- Signature Akrapovič Sound: Provides a rich, sporty tone that enhances the riding experience without exceeding trackday sound limits.
- Precision Fitment: Developed exclusively for the YZF-R9 with OE-level integration and finish.
- Durable & Race-Ready: Engineered to withstand the rigors of frequent track use.
Installation: Professional installation recommended. ECU adjustments may be required to optimize performance.



