Accessory silencer for Kawasaki ZRX 1200

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Accessory silencer for Kawasaki ZRX 1200

Accessory silencer for Kawasaki ZRX 1200
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MOTORRAD examined eight legal accessory silencers with EC type approval for their suitability for the Kawasaki ZRX 1200.

Uli Holzwarth

12/05/2002

Late autumn in Hockenheim. The leaves have fallen, the season is over, lethargy has settled over the Baden Motodrom. On this November day, however, the silence is repeatedly torn by throaty, hoarse hissing, which abruptly turns into angry babbling. It is the accompaniment of the test work of the MOTORRAD team, which is currently the Hertz attacks of eight accessory silencers with EC type approval for the Kawasaki ZRX 1200 records with a sound pressure level meter.
For the compulsory driving noise measurement, the ZRX is chased twice with each test specimen from both directions over the 20-meter-long measuring section. The driver first has to accelerate fully from 50 km / h in second gear, but then suddenly close the gas. The same procedure then takes place in third gear. The average of the four measurement results is then used to calculate the driving noise value, which for any retrofit exhaust must not be higher than that of the standard system (see the original exhaust box). However, only the Ixil pot met this legal requirement. All other subjects, especially the performance-wise boasting specimens from Bos, L & W, Remus, Sebring and SR-Racing, considerably exceeded the reference value of the series exhaust. Bleak prospects for buyers – because despite the operating permit, they alone bear the consequences of an officially ordered follow-up measurement.

L. & W gamma aluminum

Provider: Phoenix Motorrad-Tuning, phone 0241/5688222; Internet: www.phoenix-motorrad.de Material: jacket made of matt aluminum, end caps made of stainless steel Price: 279 euros Variants: with carbon fiber jacket (359 euros) or titanium (349 euros) Weight: 3.18 kg (including retaining clip) Damper length: 48 centimeters diameter : 11.8 centimetersStanding noise: 92 dB (A) Driving noise: 86 dB (A) (reference value clearly exceeded) Comments: Generally good fit, but necessary spacer sleeve and longer screw for retaining clip not included; standard cover for flange fits; EG-BEspecial features: universal retaining clip made of stainless steel with rubber pad; Removable silencer insert riveted Conclusion: lightweight, well-made aluminum round silencer with which the ZRX 1200 achieves a slightly higher peak performance, but which clearly exceeds the permissible driving noise values

BSM Future Extreme Titan

Provider: BSM exhaust systems, phone 06126/6036; Internet: www.bsm-auspuff.de Material: casing made of titanium, end caps made of stainless steel Price: 459 euros Variants: with carbon fiber (459 euros) or matt stainless steel casing (385 euros) Weight: 2.14 kg (including retaining clip) Damper length: 48 CentimeterDiameter: 11 centimetersStanding noise: 88 dB (A) Driving noise: 82 dB (A) (reference value just exceeded) Comments: excellent fit; The standard cover for the flange protrudes slightly due to the larger diameter; Assembly Instructions; EG-BEspecial features: universal retaining clip made of stainless steel with rubber pad; Removable silencer insert only screwed Conclusion: very light and delicate titanium round silencer with excellent workmanship and great fit, which, however, gives the Kawasaki significant losses in both top performance and torque

BOS titanium round

Provider: Bos Auspuff, phone 05941/4793; Internet: www.bos-exhausts.com Material: Titanium casing, stainless steel caps Price: 429 euros Variants: with aluminum (379 euros) or carbon fiber casing (469 euros) Weight: 2.94 kg (with holder) Damper length: 50 centimeters diameter : 12.2 centimeters Standing noise: 89 dB (A) Driving noise: 85 dB (A) (reference value clearly exceeded) Comments: excellent fit; standard cover for flange fits easily; Assembly Instructions; EG-BEspecial features: model-specific holder with concealed screw connection; removable, riveted silencer insert (»dB-Eater«) Conclusion: comparatively light and very well made round silencer with an excellent fit, which ensures a minimal increase in power and torque, but clearly exceeds the reference value for the driving noise measurements

Ixil sports muffler

Provider: Paaschburg & Wunderlich, phone 040/2482770; Internet: www.pwhamburg.de Material: Sheath made of aluminum-coated carbon fiber, end caps made of stainless steel Price: 349 euros Variants: with aluminum casing (249 euros), aluminum-carbon fiber mix (269 euros), carbon fiber (349 euros), stainless steel (329 euros) or titanium (419 euros) Weight: 4.86 kg (including clamp and adapter) Damper length: 51 centimetersDiameter: 13.6 centimetersStanding noise: 89 dB (A) Driving noise: 81 dB (A) Comments: very good fit; standard cover for flange fits; Spacer sleeve for retaining clip included in delivery; EG-BE Special features: Universal retaining clip made of stainless steel with rubber pad Conclusion: very heavy and voluminous round silencer with impeccable workmanship, very good fit and low price, which enables the ZRX 1200 to develop power and torque almost at series level with legal driving noise

Kawasaki original

Provider: Kawasaki Germany, phone 06172/7340; Internet: www.kawasaki.deMaterial: Casing and caps made of stainless steelPrice: 618.51 EuroVariants: noneWeight: 4.46 kg (with cover panel) Damper length: 47 centimetersDiameter: 13 centimetersStanding noise: 90 dB (A) Driving noise: 81 dB (A) Comments : Original muffler with a hoarse sound that just barely complies with the tolerance limit of three decibels – 78 dB (A) are specified in the papers – so that it can be used as a reference for noise measurements on accessory mufflers. This means that the measured 81 dB (A) for driving noise are used as a reference value for the retrofit parts.Special features: perfectly fitting cover for the screws of the three-hole flange connection.Conclusion: relatively heavy, very well-made standard silencer made of stainless steel with the hoarse sound that is typical for Kawasaki Exceeds information in the vehicle documents, but is still within the legal range

SR-Racing Titan

Provider: SR-Racing, phone 08441/785110; Internet: www.sr-racing.deMaterial: jacket and end caps made of titanium Price: 376 euros Variants: completely made of stainless steel (322 euros) Weight: 2.56 kg (including retaining clip and cover panel) Damper length: 50 centimeters Diameter: 14.2 x 11.9 Centimeter (oval) Standing noise: 90 dB (A) Driving noise: 84 dB (A) (reference value clearly exceeded) Comments: excellent fit; thanks to the voluminous oval shape and the cover supplied, the round connection flange is completely covered; new seal included; EG-BE special features: absorption damper; Universal clamp with scratch protection made of carbon fiber Conclusion: voluminous oval damper with very good workmanship, excellent fit and low weight, which gives the ZRX 1200 the fullest power and torque curves within the test field, but clearly exceeds the reference value for driving noise

Sebring Twister

Provider: Sebring Vertriebs-GmbH, Telephone 07731/906770; Internet: www.sebring.biz Material: Sheath made of aluminum, end caps made of stainless steel Price: 343 euros Variants: with sheath made of carbon fiber (433 euros), titanium (433 euros) or aluminum-coated carbon fiber (469 euros) Weight: 3.40 kg (including holder) Damper length: 48 centimeters Diameter: 14 x 10.8 centimeters (oval) Standing noise: 93 dB (A) Driving noise: 86 dB (A) (reference value clearly exceeded) Comments: very good fit, despite the oval shape, the round connection flange (without cover) is covered ; EG-BEspecial features: model-specific holder; removable damper insert riveted; complete manifold made of stainless steel available (395 euros) Conclusion: oval damper with very good workmanship and great fit, with which the ZRX 1200 can increase slightly both in terms of peak performance and maximum torque; however, the reference value for driving noise is clearly exceeded

Remus Revolution Alu-Carbon

Provider: Phoenix Motorrad-Tuning, phone 0241/5688222; Internet: www.phoenix-motorrad.deMaterial: Jacket made of aluminum-coated carbon fiber, end caps made of stainless steel Price: 465 euros Variants: with a coating made of aluminum (345 euros), carbon fiber (435 euros) or titanium (435 euros) Weight: 3.10 kg (including Bracket) Damper length: 49 centimeters Diameter: 13.9 x 10.5 centimeters (oval) Standing noise: 90 dB (A) Driving noise: 85 dB (A) (reference value clearly exceeded) Comments: Generally good fit, but the round connection flange is due to the oval shape of the connecting pipe a little above; illustrated, type-specific installation instructions; EG-BEspecial features: model-specific holder; removable silencer insert riveted; Complete manifold made of stainless steel available (399 euros) Conclusion: very well made oval damper, which does not fit perfectly with the round connection flange of the ZRX 1200 and is clearly too loud; enables slightly higher power and torque values ​​than the series pot

Nikko Supersport carbon

Provider: Team Metisse, phone 07191/302030; Internet: www.metisse.de Material: Carbon fiber jacket, stainless steel end caps Price: 460 euros Variants: with aluminum jacket (410 euros) or titanium (460 euros) Weight: 3.88 kg (including retaining clip) Damper length: 47 centimeters Diameter: 14. 2 x 10.6 centimeters (oval) Standing noise: 89 dB (A) Driving noise: 83 dB (A) (reference value exceeded) Comments: in principle good fit, but no harmonious transition at the round connection flange due to the slim oval shape; protruding fibers on the end caps; EG-BEspecial features: universal retaining clip made of stainless steel with rubber pad; After the first exit, the silencer emits a lot of smoke for around 20 minutes. Conclusion: properly processed oval silencer, which, due to its slim shape, does not fit perfectly with the round connection flange of the ZRX 1200 and is slightly below standard in terms of power and torque development, but above standard in terms of driving noise

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