Product test: exhaust systems for the Kawasaki Z 1000

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Product test: exhaust systems for the Kawasaki Z 1000
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Exhaust & silencer

Product test: exhaust systems for the Kawasaki Z 1000

Product test: exhaust systems for the Kawasaki Z 1000
Accessory silencer for Kawasaki’s naked bike

Let’s not kid ourselves, the Z 1000 has a lot of pressure ex works. Accessory silencers can only score points in terms of weight, appearance and sound: 14 systems on the test bench and in the sound check.

Jorg Lohse

09/01/2011

Series performance achieved – in the case of the exhaust test with the Kawasaki Z 1000 From the MOTORRAD endurance test, this well-hung tuner joke becomes bitter reality: Not a three percent more peak performance in the strongest slip-on system in the test, the majority of the participants bogged down at around one percent increase. After all: No system undercuts the specification of the measured 136.5 PS in the standard trim. However, if you take a closer look at the torque curves, you will find that some systems have to give up in the everyday relevant bottom-center coordination compared to the series curve. A not insignificant point, because this characteristic will be more noticeable than the increase in performance at the top, far beyond 9000 rpm.

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Product test: exhaust systems for the Kawasaki Z 1000

Product test: exhaust systems for the Kawasaki Z 1000
Accessory silencer for Kawasaki’s naked bike

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The only thing left on the plus side is the weight advantage, which you buy (sometimes very expensive), in the case of the Kawasaki Z 1000 but does not really bring any noticeable driving dynamics advantages. Some test candidates make a big impression on the look. Others, on the other hand, leave behind deep-cutting experiences for the fitter with partly sharp-edged and poorly fitting universal clamps. And that’s really no longer a joke. See and hear test videos on the following pages of this article.

Akrapovic slip on

Price: 1142.40 euros
Weight: 3.1 kg
Power: 139 hp

providers
Jamparts
Telephone 07150-970565 – www.akrapovic.de

Conclusion
The double tube from Slovenia shines with a precisely fitting assembly and perfect finish. No aha experience when it comes to sound and performance.

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Arrow Dark Line Thunder

Price: 689 euros
Weight: 4.2 kg
Power: 138 hp

providers
Alpha technique
Telephone: 08036-300720 – www.alphatechnik.de

Conclusion
During the soundcheck, Arrow stays within the legal framework, but leaves a bland impression. The cheap clamp is annoying during assembly.  

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Bodi’s GPX-2

Price: 1299 euros
Weight: 5.1 kg
Power: 138 hp

providers
Spear racing
Telephone: 07121-959395 – www.bosdis-exhaust.com

Conclusion
Interesting shape with double barrel end pots. That brings a nice sound, but hardly any extra power. Disappointing fit.

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BOS slip / on

Price: 799 euros
Weight: 3.6 kg
Power: 138 hp

providers
BOS exhaust
Telephone: 05941-4793 – www.bosauspuff.de

Conclusion
A real eye-catcher. Compact shortgun design with a turn-on sound. Low weight, but also only a slight increase in performance.

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Devil Master

Price: 899 euros
Weight: 4.6 kg
Power: 139 hp

providers
Hostettler
phone: 07631-18040 – www.ixs.com

Conclusion
Devil appeals with its rich, extremely bass-heavy sound, but disappoints in the assembly. The performance plus is okay.

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Gianelli Black Line

Price: 659 euros
Weight: 4.4 kg
Power: 139 hp

providers
Hostettler
Phone: 07631-18040 – www.ixs.com

Conclusion
The development of the sound remains within the legal but boring framework. A lot of tension is the order of the day with the badly fitting clamp.

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GPR Powercone

Price: 928 euros
Weight: 4.1 kg
Power: 140 hp

providers
Polo express delivery
Phone: 0180-5225785 – www.polo-motorrad.de

Conclusion
Convinced on the test bench and in the sound check, but operates close to legality and too close to the swing arm. Great shape.

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Laser GP style

Price: 599 euros
Weight: 3.1 kg
Power: 137 hp

providers
Hostettler
phone: 07631-18040 – www.ixs.com

Conclusion
Fits perfectly, sounds deafening, saves a lot of weight. Where’s the problem? Meager performance plus, driving noise at the limit.

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Leovince LV One Evo II

Price: 769 euros
Weight: 4.2 kg
Power: 139 hp

providers
MCA service
Telephone: 05139-894906 – www.leovince.de

Conclusion
Nicely made double tube for the Z, only the plastic ends disturb the great shape. Great sound, moderate increase in performance.

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Nikko Racing RS2

Price: 895 euros
Weight: 5.2 kg
Power: 138 hp

providers
Team Metisse
Phone: 05373-9240780

Conclusion
Scores with solid demeanor. No hassle when it comes to cultivation, impresses with its rich sound.

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Remus Hexacone

Price: 1018 euros
Weight: 5.3 kg
Power: 138 hp

providers
Phoenix motorcycle tuning
Telephone: 0241-5688222 – www.phoenix-motorrad.de

Conclusion
Clean, tailor-made solution from Remus, but can hardly set itself apart from competitors from the same production (Nikko, Sebring).

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Sebring Phantom

Price: 976 euros
Weight: 5.3 kg
Power: 138 hp

providers
Mizu
Phone: 07731-90670 – www.sebring.de

Conclusion
Small cutbacks in the accuracy of fit, otherwise solid stainless steel package with a rich sound. Shape identical to Nikko.

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Shark GP-1

Price: 779 euros
Weight: 4.1 kg
Power: 138 hp

providers
Fencer Drive
Telephone: 07023-95230 – www.fechter.de

Conclusion
You have to like the slim tin can shape. Saves half the battle in terms of weight. Minimal increase in performance, but strong sound.

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Termignoni relevance

Price: 1369 euros
Weight: 3.5 kg
Power: 138 hp

providers
Hostettler
Phone: 07631-18040 – www.ixs.com

Conclusion
Nice and easy finish in a chic carbon shell. Very poor in terms of sound and performance, disappointed with the cheap clamp.

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