Akrapovic Evolution Exhaust System Yamaha YZ450F
Akrapovic Evolution Exhaust Systems are designed for riders that demand maximum performance from their motorcycle. The Evolution Exhaust Systems are significantly lighter compared to the stock and stainless steel exhaust systems and feature exceptional production quality, hi-tech materials and of course increased engine performance combined with pure racing sound output. Each Akrapovic off-road muffler features a special coating on the outer sleeve giving them greater scratch resistance and allows for easier cleaning. This coating combined with the titanium end cap and welded on titanium exhaust bracket means this exhaust will last and perform season after season. Akrapovic’s air-tight quality controlled and state-of-the-art production facilities are second-to-none in the motorcycle world, this ensures their pipes are perfect.
It’s not just about peak power—Akrapovic exhaust systems deliver increased performance throughout the entire rpm range. Increased power and torque result in a much smoother ride. All Akrapovic exhaust system’s performance are measured and tested on their in-house computer-controlled chassis dynamometers.
Features:
- Offers increased performance throughout the entire RPM range
- Titanium construction for ultimate weight savings and durability
- Airtight, quality controlled production for a perfect fit and finish
- Specially coated finish offers greater scratch resistance
- Includes titanium head pipe
- Includes titanium spark arrested muffler
- Meets FIM noise requirements
| Unit | Stock Exhaust | Akrapovic | Max Gain | |
|---|---|---|---|---|
| Maximum Power | kW | 40.2 / 9800 rpm | 41.6 / 10600 rpm | + 1.8 / 10600 rpm |
| HP | 53.9 / 9800 rpm | 56.6 / 10600 rpm | + 2.4 / 10600 rpm | |
| Maximum Torque | Nm | 45.5 / 7650 rpm | 45.8 / 7700 rpm | + 1.5 / 10500 rpm |
| lb-ft | 33.6 / 7650 rpm | 33.8 / 7700 rpm | + 1.1 / 10500 rpm | |
| Weight | kg | 4.17 | 3.32 | – 0.9 |
| lb | 9.2 | 7.3 | – 1.9 | |
| % | – 20.4 |
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