



Manufacturer reference: GYA8801T — Spark Force Evo (Full system), competition exhaust system.
This full Spark system has been developed for Yamaha's new three-cylinder supersport. It replaces the entire heavy original exhaust system. This Racing "Full Titanium" version, directly derived from developments in the WSSP600 World Championship, is designed to maximise extreme performance on the track. This system is exclusively reserved for closed circuit use and does not have road approval.
Finish: titanium headers + Force Evo titanium silencer with carbon fibre end cap.
Compatible models: Yamaha YZF-R9 (2025-2026).
Specificity: competition architecture (4 locations for lambda probes) requiring the removal of passenger footpegs. Carbon heat shield included.
Approval: not approved (compliant with FFM competition noise standards).
Weight: 3.6 kg (a weight saving of -3.4 kg compared to the 7.0 kg of the complete original system).
Sound level: 102 dB at 5,000 rpm.
Soundproofing: dB killer not included (sold separately).