Description
Derived from the world-championship RM-Z450WS exhaust, the Evolution Line is constructed from high-grade lightweight titanium,
which saves over 20% in weight compared to a stock system, enhancing handling. It is coated in a durable finish for increased scratch resistance
and easier cleaning. It has improved throttle response and the unique Akrapovic sound – which is within FIM limits – and is easy to install.
The system comes with a spark arrester to comply with North American off-road regulations.
Stock Sound:
Akrapovic Sound:
Tech Specs.
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Maximum power | kW | 36.9 / 8400 rpm | 37.4 / 8300 rpm | + 0.7 / 7300 rpm |
| HP (m) | 50.2 / 8400 rpm | 50.8 / 8300 rpm | + 1.0 / 7300 rpm | |
| HP (i) | 49.5 / 8400 rpm | 50.1 / 8300 rpm | + 1.0 / 7300 rpm | |
| Maximum torque | Nm | 44.6 / 7950 rpm | 45.3 / 7850 rpm | + 1.4 / 5950 rpm |
| lb-ft | 32.9 / 7950 rpm | 33.4 / 7850 rpm | + 1.0 / 5950 rpm | |
| Weight | kg | 4.3 | 3.4 | – 0.9 |
| lb | 9.5 | 7.5 | – 2.0 | |
| % | – 20.5 | |||
| Noise | dB | 116.1 / rpm | 116.2 / rpm | 0.1 |
| Installation time | min | 45 |
S-S4MET11-BNTA made by Akrapovic
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