Table of contents
- A comparison test of ten silencers for the Kawasaki Z 800 Which one delivers the best sound?
- Flap control in the exhaust tract is a good thing
- Only Akrapovic still has an integrated valve control
- Kawasaki original
- Akrapovic slip-on
- Bos GP-2
- Hashiru Osaka
- Laser X-Treme GP
- Mivv GP
- Scorpion RKA-100
- Shark DSX-5
- Spark Force
- Termignoni K075
- This is how MOTORRAD tests
- From the test protocol
- Final evaluation and conclusion
mps studio
30th pictures
Lohse
1/30
Certification mark: If the exhaust is correctly marked (E-check digit plus four-digit numerical code, 5 or 9 circled on Kat motorcycles), no entry is required and no further papers have to be carried.
mps photo studio
2/30
Shark DSX 5, MOTORRAD verdict: good, 5. city square.
MOTORCYCLE
3/30
Power measurement: Shark DSX 5.
mps photo studio
4/30
Spark Force, MOTORRAD verdict: good, 4th place.
MOTORCYCLE
5/30
Performance measurement: Spark Force.
mps photo studio
6/30
Termignoni K075, MOTORRAD judgment: very good, 2nd place.
MOTORCYCLE
7/30
Performance measurement: Termignoni K075.
Lohse
8/30
This is how MOTORRAD tests: On the test bench.
Lohse
9/30
This is how MOTORRAD tests: On the scales.
Lohse
10/30
This is how MOTORRAD tests: On the road.
Lohse
11/30
Flap control: With the exception of the elegant solution from Akrapovic (photo), the original flap control at the exhaust inlet has to be shut down more or less laboriously for all other accessory pots. It’s frustrating.
Lohse
12/30
Assembly: As a rule, after the original has been dismantled, the mostly two-part accessory system is put together and put on. Special tool? In any case, without a spring puller, you risk bloody fingers.
Lohse
13/30
Processing: In the meantime, many manufacturers have achieved a solid quality standard. Negligence such as B. not deburred parts are the exception. A particularly fine art: titanium welding (here Termignoni).
Lohse
14/30
Do-it-yourself tuning: The dB killer can be removed from every exhaust system with a small intervention. However, since a rivet has to be loosened for this, this intervention is quickly evident when checking the roadside.
MOTORCYCLE
15/30
Power measurement: Scorpion Rka 100.
mps photo studio
16/30
Scorpion Rka 100, MOTORRAD judgment: good, 5th place.
mps photo studio
17/30
Without flap control in the exhaust tract, the legally relevant driving noises, which are limited to a maximum of 80 db (A) by EU regulation, can hardly be complied with.
mps photo studio
18/30
Kawasaki Original, MOTORRAD verdict: good, 7th place.
MOTORCYCLE
19/30
Performance measurement: Kawasaki Original.
mps photo studio
20/30
Akrapovic Slip on, MOTORRAD verdict: very good, 1st place (MOTORRAD test winner).
MOTORCYCLE
21/30
Performance measurement: Akrapovic slip on.
mps photo studio
22/30
Bos GP-2, MOTORRAD verdict: good, 3rd place (MOTORRAD purchase tip).
MOTORCYCLE
23/30
Power measurement: Bos GP-2.
mps photo studio
24/30
Hashiru Osaka, MOTORRAD judgment: good, 8th place.
MOTORCYCLE
25/30
Performance measurement: Hashiru Osaka.
mps photo studio
26/30
Laser X-Treme GP, MOTORRAD judgment: satisfactory, 10th place.
MOTORCYCLE
27/30
Power measurement: Laser X-Treme GP.
mps photo studio
28/30
Mivv GP, MOTORRAD verdict: good, 8th place.
MOTORCYCLE
29/30
Performance measurement: Mivv GP.
Lohse
30/30
Fit: A bracket mounted directly on the exhaust is more elegant than a universal retaining clip. However, this should still be adjustable to guarantee tension-free attachment. Well done with Bos, Shark and Spark.
accesories
Exhaust & silencer
A comparison test of ten silencers for the Kawasaki Z 800
A comparison test of ten silencers for the Kawasaki Z 800
Which one delivers the best sound?
The law allows a maximum of 80 decibels for noise measurement. The assembled biker community demands more bass during the personal sound check. MOTORRAD listens carefully: Ten mufflers on the Kawasaki Z 800 have to give more than one voice sample.
Jorg Lohse
11/20/2014
Shut up! Even with mid-range models like the Kawasaki Z 800 A flap control in the exhaust tract is now a good thing. Literally. Because without this trick, the legally relevant driving noises, which are limited to a maximum of 80 db (A) by EU regulation, can hardly be complied with. The trick: a servomotor and cables open or close a flap on the silencer inlet depending on the position of the throttle. It is important that the driving noises in the measuring range are complied with. This is clearly defined in the European Directive 97/24 / EC, Chapter 9: Start at 50 km / h in second and third gear. Then full throttle for 20 meters.
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Test winner silencer for the Kawasaki Z 800 (MOTORRAD 25/2014)
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At the end of the measuring section, the tap must be closed again suddenly. Accessory exhaust systems where the sound level is more than 80 dB (A) then have a difficult time obtaining a type approval for use on public roads. For real? Well, it seems that some manufacturers know exactly in which atmosphere their exhaust pipes sound good to the auditor’s ears. And so some systems have already completed half a European tour before they received the important test number, which must be clearly visible on the rear silencer. In the MOTORRAD noise measurement, which follows the requirements of the EU directive, in the case of Kawasaki Z 800 this time, however, few abnormalities.
Flap control in the exhaust tract is a good thing
According to vehicle documents, the manufacturer Kawasaki certifies that its naked bike has a maximum driving noise level of 79 dB (A). The standing noise (which, by the way, is not regulated by law) is 91 dB (A). The actual values of our measurements hardly show any cause for concern: the deflections above the limit value of 80 dB (A) are still comparatively moderate and can confidently be booked under the item “Measurement tolerance”. Especially since there would be no clues for a re-measurement of the driving noise for the authorities when checking the stationary noise at the edge of the road – with one exception.
And even then, there are hardly any problems. Because as long as the exhaust has not been manipulated – z. B. by removing the dB killer – the motorcycle owner can claim that he has purchased and installed a system whose use in road traffic has been officially approved by a testing organization with a seal. Should this become a (judicial) dispute, the buyer of such a system can at least insist that the manufacturer repair it.
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Only Akrapovic still has an integrated valve control
It is interesting that only one provider continues to integrate the Kawasaki flap control into its system. As with the original, there is a flap mechanism at the entrance of the Akrapovic silencer, into which existing cables are simply attached. In all other systems, this mechanism must be shut down. Anyone who wants to restore equipment later (for example when reselling) will definitely have an easy time with Akrapovic. https://www.motorradonline.de/auspuff
And how does that sound now? It’s like all concerts. Extremely subjective. However, the MOTORRAD test listeners were extremely unanimous in almost all voice samples. If you want to hear for yourself, follow the link below and find a video with all test systems for comparison. Boxes on, flap open …
Kawasaki original
mps photo studio
Kawasaki original.
Weight: 7.2 kg
Perfomance: 82.2 kW / 111.8 PS
Sound: very restrained
Providers: Kawasaki Motors Europe, Tel. 0 61 72/73 40, www.kawasaki.de
Materials: stainless steel
Price: 1111.53 euros ***
Weight: 7.2 kg
Suitable from year of construction: 2013
Country of Manufacture: Japan
ECE approval mark: 4 (Netherlands)
Coat versions: no
Design type: Slip-on
Standing noise dB (A) *: 88
Driving noise dB (A) **: 75
MOTORCYCLE
Performance measurement: Kawasaki Original.
Plus: Flap control; clean power delivery; clearly undercuts noise limits.
Minus: poor sound; high weight; Difficult to clean due to the screwed-on cover.
Conclusion: The original looks chunky, but with its angular shape it goes well with the Kawa. The limit values are easily adhered to, but the sound lacks the typical Kawa hissing.
MOTORRAD verdict: Good
Placement: 7th place
Akrapovic slip-on
mps photo studio
Akrapovic slip-on.
Weight: minus 65.3%
Perfomance: minus 1.1%
Sound: bass-heavy, but very soft
Providers: GP Products, Tel. 06 99 61/5 95 50, www.akrapovic.com
Materials: titanium
Price: 720, 28 euros
Weight: 2.5 kg
Suitable from year of construction: 2013
Country of Manufacture: Slovenia
ECE approval mark: 24 (Ireland)
Coat versions: Carbon
Design type: Slip-on
Standing noise dB (A) *: 83
Driving noise dB (A) **: 76
MOTORCYCLE
Performance measurement: Akrapovic slip-on.
Plus: own flap control; very easy; top processed; complies with noise limits.
Minus: Overall sound too unspectacular;
Conclusion: A flawless finish, an unbeatable weight and the only accessory system equipped with a flap control. Just a little too poor for the sound check.
MOTORRAD verdict: very good
Placement: 1st place
MOTORCYCLE test winner
Bos GP-2
mps photo studio
Bos GP-2.
Weight: minus 40.3%
Perfomance: minus 0.4%
Sound: angry, grumpy
Providers: Bos Auspuff, Tel. 0 59 41/47 93, www.bosauspuff.de
Materials: Stainless steel / aluminum (end cap)
Price: from 399 euros
Weight: 4.3 kg
Suitable from year of construction: 2013
Country of Manufacture: Netherlands
ECE approval mark: 4 (Netherlands)
Coat versions: Blasted stainless steel / black stainless steel
Design type: Slip-on
Standing noise dB (A) *: 94
Driving noise dB (A) **: 82
MOTORCYCLE
Power measurement: Bos GP-2.
Plus: valuable processed; neatly integrated holder; to be installed tension-free; pleasant sound.
Minus: Stationary and driving noises above limit values
Conclusion: Less weight, more sound: the Bos exhaust pipe can be installed quickly and without tension. Only the noise limits are minimally exceeded in the test.
MOTORRAD verdict: Good
Placement: 3rd place
MOTORCYCLE buyer’s tip
Hashiru Osaka
mps photo studio
Hashiru Osaka.
Weight: minus 15.3%
Perfomance: minus 1.1%
Sound: fat, throaty
Providers: Polo Motorrad, Tel. 0 21 65/8 44 04 00, www.polo-motorrad.de
Materials: stainless steel
Price: 249 euros
Weight: 6.1 kg
Suitable from year of construction: 2013
Country of Manufacture: Italy
ECE approval mark: 9 (Spain)
Coat versions: no
Design type: Slip-on
Standing noise dB (A) *: 90
Driving noise dB (A) **: 81
MOTORCYCLE
Performance measurement Hashiru Osaka.
Plus: robust, powerful sound; cheap price
Minus: Driving noise above the limit value; Attachment with a separate clamp and many small parts extremely fiddly
Conclusion: Polo’s house brand Hashiru not only attracts with a low price, but also beguiles with a fat sound. So the Kawa really sounds like Kawa.
MOTORRAD verdict: Good
Placement: 8th place
Laser X-Treme GP
mps photo studio
Laser X-Treme GP.
Weight: plus 6.9%
Perfomance: minus 2.0%
Sound: fed up, babbling
Providers: SO Products, Tel. 0 59 24/7 83 60, www.so-products.com
Materials: stainless steel
Price: 535 euros
Weight: 7.7 kg
Suitable from year of construction: 2013
Country of Manufacture: Netherlands
ECE approval mark: 13 (Luxembourg)
Coat versions: no
Design type: Slip-on
Standing noise dB (A) *: 91
Driving noise dB (A) **: 82
MOTORCYCLE
Power measurement Laser X-Treme GP.
Plus: beautiful sound; Double tube design; integrated holder.
Minus: Driving noise above the limit value; extremely cumbersome initial assembly; moderate accuracy of fit; heavier than the original.
Conclusion: Anyone who values an independent shape should consider the laser double-tube system. What bothers? High weight, fiddly assembly and loss of performance.
MOTORRAD verdict: satisfying
Placement: 10th place
Mivv GP
mps photo studio
Mivv GP.
Weight: minus 34.8%
Perfomance: like original
Sound: smoky, robust
Providers: Mivv Exhaust, Tel. 03 66 95/34 31 45, www.mivv-auspuff.de
Materials: stainless steel
Price: 300 Euro
Weight: 6.1 kg
Suitable from year of construction: 2013
Country of Manufacture: Italy
ECE approval mark: 9 (Spain)
Coat versions: Titanium. Carbon
Design type: Slip-on
Standing noise dB (A) *: 90
Driving noise dB (A) **: 81
MOTORCYCLE
Performance measurement Mivv GP.
Plus: robust, powerful sound; cheap price
Minus: Driving noise above the limit value; Attachment with a separate clamp and many small parts extremely fiddly
Conclusion: The already cheap Mivv is even cheaper: See the identical model from Hashiru. In return, the fat sound can be packed into other envelopes.
MOTORRAD verdict: Good
Placement: 8th place
Scorpion RKA-100
mps photo studio
Scorpion RKA-100.
Weight: minus 34.8%
Perfomance: like original
Sound: smoky, robust
Providers: Scorpion Exhausts, Tel. 09 11/23 98 01 90, www.scorpionexhausts.de
Materials: stainless steel
Price: from 398 euros
Weight: 4.7 kg
Suitable from year of construction: 2013
Country of Manufacture: England
ECE approval mark: 4 (Netherlands)
Coat versions: Titanium. Carbon
Design type: Slip-on
Standing noise dB (A) *: 93
Driving noise dB (A) **: 82
MOTORCYCLE
Power measurement Scorpion RKA-100.
Plus: top processed; quick and tension-free assembly; pleasant sound.
Minus: Stationary and driving noises above the limit values.
Conclusion: Crisp shape, excellent workmanship and a real asset to the Kawa in terms of sound. The English Scorpion is way ahead in the belly rating.
MOTORRAD verdict: Good
Placement: 5th place
Shark DSX-5
mps photo studio
Shark DSX-5.
Weight: minus 5.6%
Perfomance: plus 0.7%
Sound: fat, bass-heavy
Providers: Fechter Drive, Tel. 0 70 23/9 52 30, www.fechter.de
Materials: Stainless steel / alu
Price: from 339 euros
Weight: 6.8 kg
Suitable from year of construction: 2013
Country of Manufacture: Italy
ECE approval mark: 3 (Italy)
Coat versions: Stainless steel / black
Design type: Slip-on
Standing noise dB (A) *: 89
Driving noise dB (A) **: 81
MOTORCYCLE
Power measurement Shark DSX-5.
Plus: neatly processed; quick and easy to assemble; great sound; Performance development through series.
Minus: Driving noise above the limit value; heavy.
Conclusion: Great sound for a small price? The Shark wraps the Kawa in a dull, humorous cloud of sound and is one of the few systems with a small increase in performance.
MOTORRAD verdict: Good
Placement: 5th place
Spark Force
mps photo studio
Spark Force.
Weight: minus 18.1%
Perfomance: minus 1.3%
Sound: lean, soft
Providers: Parts Europe, Tel. 0 65 01/9 69 50, www.partseurope.eu
Materials: Stainless steel / titanium
Price: from 510 euros
Weight: 5.9 kg
Suitable from year of construction: 2013
Country of Manufacture: Italy
ECE approval mark: 3 (Italy)
Coat versions: Carbon, titanium / black
Design type: Slip-on
Standing noise dB (A) *: 88
Driving noise dB (A) **: 78
MOTORCYCLE
Spark Force performance measurement.
Plus: Stationary and driving noises comply with limit values; exact fit.
Minus: Quality of the attachment material (screws) rather mixed; thin sound image.
Conclusion: The Spark scores with its compact shape, which goes well with the Z 800. The official sound experience remains in the green, but the feeling is still missing the kick.
MOTORRAD verdict: Good
Placement: 4th Place
Termignoni K075
mps photo studio
Termignoni K075.
Weight: minus 27.8%
Perfomance: minus 0.3%
Sound: thin
Providers: Jamparts, Tel. 0 71 50/97 05 18, www.jamparts.com
Materials: Titanium / carbon
Price: 689 euros
Weight: 5.2 kg
Suitable from year of construction: 2013
Country of Manufacture: Italy
ECE approval mark: 11 (UK)
Coat versions: no
Design type: Slip-on
Standing noise dB (A) *: 85
Driving noise dB (A) **: 75
MOTORCYCLE
Performance measurement Termignoni K075.
Plus: first-class workmanship; easy to assemble; Stationary and driving noises comply with limit values.
Minus: lean sound; Initial assembly of the retaining clamp is cumbersome.
Conclusion: Quieter than the original: Termignoni occurs almost too cautiously during the sound check – more bass, please! In terms of workmanship and quality, however, it is an eye-catcher.
MOTORRAD verdict: very good
Placement: 2nd place
* Measured at half the nominal speed, permitted according to approval documents 91 dB (A); ** measured according to Directive 97/24 / EC, legally permissible 80 dB (A)
This is how MOTORRAD tests
Lohse
Put to the test.
With plenty of noise and smoke
On the test bench: A few years ago, exhaust tuning was still a popular and tried-and-tested means of noticeably increasing the series performance of the bike. In the meantime, however, you have to be happy if the manufacturer’s specifications are even achieved with the accessory pot.
On the scales: Series silencers are mostly based on the reflection principle. The sound is dampened via a chamber principle – but that weighs! Accessory systems eliminate the sound waves using lightweight insulating wool. The replacement part usually wins on the scales.
In the street: The driving noise, which is measured in the MOTORRAD test in accordance with EU Directive 97/24 / EC, is legally relevant. The noise level must not exceed 80 dB (A), Kawasaki itself homologates the Z 800 with only 79 dB (A). That makes it particularly difficult for the providers.
From the test protocol
Lohse
As a rule, after the original has been dismantled, the mostly two-part accessory system is plugged together and put on.
Blood, sweat and tears
Flap control: With the exception of the elegant solution from Akrapovic, the original flap control on the exhaust inlet of all other accessory pots has to be shut down more or less laboriously. It’s frustrating.
Assembly: As a rule, after the original has been dismantled, the mostly two-part accessory system is plugged together and put on. Special tool? In any case, without a spring puller, you risk bloody fingers.
Processing: Many manufacturers have now achieved a solid quality standard. Negligence such as B. not deburred parts are the exception. A particularly fine art: titanium welding (here Termignoni).
Do-it-yourself tuning: The dB killer can be removed from every exhaust system with a small intervention. However, since a rivet has to be loosened for this, this intervention is quickly evident when checking the roadside.
Fit: A bracket mounted directly on the exhaust is more elegant than a universal bracket. However, this should still be adjustable to guarantee tension-free attachment. Well done with Bos, Shark and Spark.
Certification mark: If the exhaust is correctly marked (E-check digit plus four-digit numerical code, 5 or 9 circled on Kat motorcycles), no entry is required and no further papers need to be carried.
Final evaluation and conclusion
MOTORCYCLE
Final ranking: ten silencers for the Kawasaki Z 800 in a comparison test.
Conclusion: On the balance sheet a test that can be seen (and heard). Right at the top of the table is the top-quality system from exhaust guru Igor Akrapovic from Slovenia. The special delicacy with which the feather-light titanium pot sets itself apart from the competition is the neatly integrated flap solution like the original. This means that the Akrapovic Slip-On can clearly set itself apart from the also very good Termignoni silencer. Behind it there is a lot of good goods, some at very attractive prices. The Bos GP-2 offers great value for money, while the Hashiru Osaka is a real bargain.
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