Measurements of the Akrapovic SLIP-ON system on the KAWASAKI ZX 6-R (without noise damper):
Power & Torque: Akrapovic power curve follows the stock curve up to 6000 rpm, and then shows an noticeable increase which extends right into the overrev range. The ZX 6-R receives 117,8 HP at 14325 rpm, which is 3 HP more than with stock exhaust system. The torque curve is increased throughout the entire rpm range and gives more easy to drive engine characteristics.
| 
| Performance |  
| measured on SuperFlow Cycle Dyn |  | Stock | Akrapovic | Max. increased power | 
| Max. rear wheel power (HP / rpm) | 114.9 / 14200 | 117.8 / 14325 | 3 / 14325 |