Upgrade your motorcycle with the Akrapovic Evolution Exhaust, part number S-Y6E9-APT. Designed as the flagship of the Akrapovic exhaust range, this premium system reflects the same engineering approach used and tested by leading factory racing teams. Its vehicle-specific design is focused on improving engine performance, throttle response, and overall riding dynamics while reducing exhaust-system weight for optimized handling. The system is manufactured from high-grade titanium for an excellent balance of strength, durability, and lightweight performance.
The Akrapovic Evolution Exhaust is engineered to work with a specially developed Dynojet mapping solution. Proper calibration helps the engine take full advantage of the exhaust system, supporting smooth throttle response, dependable operation, and consistent performance across the usable rev range. The titanium construction also provides strong resistance to heat and corrosion, making it well suited to demanding street, track, and motorsport-inspired applications.
Manufactured by Akrapovic, the S-Y6E9-APT is a performance exhaust component intended for compatible motorcycle applications associated with this part number. Confirm vehicle year, model, engine configuration, and required supporting components before ordering or installation. Professional installation is recommended to ensure correct fitment, secure mounting, exhaust sealing, and proper routing. The manufacturer part number and vendor part number are both S-Y6E9-APT.
Features:
- Flagship Akrapovic Evolution exhaust system developed with motorsport-inspired engineering
- Titanium construction delivers lightweight performance, strength, and durability
- Designed to improve engine performance and throttle response on compatible motorcycles
- Vehicle-specific configuration for fitment applications associated with part number S-Y6E9-APT
- Requires specially developed Dynojet mapping for optimized engine performance
- Manufactured by Akrapovic with manufacturer and vendor part number S-Y6E9-APT