Please note that our cut-off times have changed due to changes in lodgement times.
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Orders received after 12:00pm will be shipped the next business day.
We use Australia Post for all items under 5kg within Australia and Oversea's.
Special orders are shipped within 72 hours after confirmation of payment.
We use TNT/FedEx for all bulky items over 5kg
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You should receive a tracking number via email when your order ships.
Depending on your location, you can track your order.
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Akrapovic Racing Line (Carbon) for ZX-25R / ZX-4R / ZX-4RR System
The Racing Line represents a full step in the exhaust system tuning process and offers a great balance between price and optimum performance. Racing performance exhaust systems are designed for riders that demand maximum performance from their motorcycle. The systems are lighter compared to the standard stock exhaust system and feature exceptional production quality and increased engine performance combined with pure racing sound output. A combination of racing materials like carbon fibre for the muffler outer sleeve give these exhaust systems a racing touch.
- Power +1.6 kW at 14500 rpm
- Torque +2.2 Nm at 7000 rpm
- Weight -5.2 kg
The exhaust system fits also on ZX-4RR and ZX-25RR versions.
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
Unit | Stock | Akrapovič | Max gain | |
---|---|---|---|---|
Max. power | kW | 52.5 / 14000 rpm | 54.1 / 14600 rpm | + 1.6 / 14500 rpm |
HP (m) | 71.4 / 14000 rpm | 73.6 / 14600 rpm | + 2.2 / 14500 rpm | |
HP (i) | 70.4 / 14000 rpm | 72.6 / 14600 rpm | + 2.2 / 14500 rpm | |
Max. torque | Nm | 36.9 / 13700 rpm | 37.9 / 11500 rpm | + 2.2 / 7000 rpm |
lb-ft | 27.2 / 13700 rpm | 28 / 11500 rpm | + 1.6 / 7000 rpm | |
Weight | kg | 9.62 | 4.44- 5.2 | - 5.2 |
lb | 21.2 | 9.8- 11.4 | - 11.4 | |
% | - 53.8 | |||
Volume | dB | 94.6 / 7250 rpm | 107.5 / 7250 rpm | 12.9 |
Inst. time | min | 60 |
Kawasaki Ninja ZX-25R
Kawasaki Ninja ZX-25RR
Kawasaki Ninja ZX-4R
Kawasaki Ninja ZX-4RR