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The Dutch company Dr. Jekill & Mr. Hyde has developed an electronically adjustable exhaust system that allows the driver to choose between a stock Harley-Davidson sound,  and the world famous Harley-Davidson (louder) Rumble.


The muffler contains an electronically adjustable valve. When the valve is closed,  the motorcycle produces about 85 dB and gives the same effect as the original muffler. When you open the valve you not only gain about 15 % more  horsepower, but you also get up to 130 dB of deep thundering sound. But the regulation of noise is not just a result of either blocking or not blocking the emission of exhaust fumes. When the valve is closed, exhaust gas is diverted through a more restricted passage within the muffler. When the valve is open , the gases straight through the open muffler and results in deeper and higher sound. You simply two different silencer in a single exhaust.


The  internals of all units are 100% stainless steel. Only the highest quality materials available together with the best workmanship are used in these products.


If you are concerned about the risk of increased emissions there is a catalyst additives to purchase . There are also variations of end- caps are available for trade.


We will soon have a bike with one of Dr. Jekill & Mr. Hyde's exhaust system mounted in our store.

 

We are authorized by Dr. Jekyll & Mr. Hyde to mount these exhaust systems. If you do the installation at an authorized workshop, you get a two year warranty. In the link below you can see the prices for different systems. These prices dos not inclued installation cost. Installation cost is around 1500 SEK depending on the model. Contact us for a offer.

 

Pricelist

 

If you have further questions or want more information give us a call!

Phone: 040-689 28 78

E-mail: hdparts@bikeline.se


Electronically adjustable exhaust systems are produced for all Harley Davidson models from 1984 and up.

Dr. Jekill & Mr. Hyde provides customers with two -year full warranty on its electronic adjustable exhaust with the requirements that it is fitted by a qualified workshop.

Dr. Jekill & Mr. Hyde electronically adjustable exhaust systems are made in the Netherlands and are covered by European and U.S. patents.

 

www.jekillandhyde.com

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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