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Akrapovic's S-Y4MET14-CIBNTA Evolution Line Full Exhaust Systen, Titanium is made specifically for Yamaha YZ450F / WR450F (2018-2019).
The flagship of the Akrapovic exhaust system range, used and tested by our top factory teams in motorcycle racing. It's simply the finest exhaust system available. Each model is unique and dedicated to maximizing the engine's performance, while reducing overall weight for optimized overall handling of the motorcycle. It is made entirely of titanium. Exhaust systems meet FIM noise limits, feature a more durable welded bracket and titanium end cap.
Specifications:
- Product Name: Exhaust System
- Type: Full System
- Model: Evolution
- Design/Configuration: 1-Into-1 System
- Pipe Material: Titanium
- Muffler Material: Titanium
- End Cap Material: Titanium
- End Cap Style: Conical
- Weight: 7.5 Lb
- Features: Without Spark Arrestor
Technical Data
| Variables | Unit | Stock | Akrapovic | Max gain |
|---|---|---|---|---|
| Max. power | kW | 38.2 / 9950 rpm | 39 / 9900 rpm | + 0.8 / 9900 rpm |
| HP (m) | 51.9 / 9950 rpm | 53 / 9900 rpm | + 1.1 / 9900 rpm | |
| HP (i) | 51.2 / 9950 rpm | 52.3 / 9900 rpm | + 1.1 / 9900 rpm | |
| Max. torque | Nm | 43.4 / 7150 rpm | 43.8 / 7200 rpm | + 0.7 / 6300 rpm |
| lb-ft | 32 / 7150 rpm | 32.3 / 7200 rpm | + 0.5 / 6300 rpm | |
| Weight | kg | 4.1 | 3.38 - 0.7 |
- 0.7 |
| lb | 9 | 7.5 - 1.5 |
- 1.5 | |
| % | - 17.6 | |||
| Inst. time | min | 90 |
Note: Does not meet CARB (California Air Resources Board) emissions standards. For "Competition" use only. Will not ship to California.
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