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The Akrapovic RACING SP SERIES is a more affordable version of the Akrapovic Racing system. It is therefore a combination of high-tech, high-performance design and affordability due to the materials selection. With its built-in noise damper, the system also conforms to regulations regarding exhaust system noise levels for street use.
Measurements of the Akrapovic RACING SP SERIES system on the BMW R 1150 R ROCKSTER:
Power: the Akrapovic Racing SP series adds a tangible boost to the character of the BMW Boxer engine. Up to 3000 rpm the Akrapovic power curve follows the stock curve, after which it gradually rises to max. power of 83.6 HP at 6600 rpm. The 4.9 HP increase in max. power with the Akrapovic system is a sufficiently inviting reason to install the system.
Torque: the torque curve is similar to the power curve. Its refined quality and adaptation to the character of the engine will satisfy many BMW enthusiasts.

|
Stock | Akrapovic | Max. increased power | ||
| Max. rear wheel power (HP / rpm) | 78.7 / 6790 | 83.6 / 6600 | 5.3 / 6600 |