The motorcycle baffle is also known as aDB killer"which literally means "decibel killer". It "kills the noise" of the exhaust.
A motorcycle baffle is a product used to reduce exhaust noise.
It is generally a long perforated tube which extends along the flow path of the exhaust gas flow path. Exhaust gases pass through it, where the exhaust noise is attenuated by the narrowing of the trajectory.
The purpose of the baffle is to reduce noise to acceptable limits for decibels that will be comfortable for your ears and those of the police.
From the point of view legalthe decibels produced by a motorcycle must correspond to the motorcycle's original specifications. This information can be found on the vehicle's registration document and manufacturer's plate.
What's more, since 2019 new speed cameras to penalize motorcyclists for "noise excess". A new tax higher than the cost of a DB Killer baffle.
The same applies to certain roads which are now forbidden to certain motorcycles because they are too noisy...
Factory-installed exhausts have motorcycle baffles or DB killer are pre-installed and designed to reduce exhaust noiseThis also helps to create back-pressure on the valves, which in turn increases their efficiency. engine volumetric efficiency.
So, according to the manufacturers, the use of non-standard exhausts also reduces engine life..... Hence the added benefit of using a motorcycle baffle.
Our exhaust baffles have the special feature of being a removable part at the end of the chicane. This removable part allows you to fine-tune the volume you want on your bike.
Note that the two screws supplied with the baffle are screwed onto the baffle. For a motorcycle that tends to vibrate a lot, we recommend you add a brake nut to ensure you don't lose the removable part and the motorcycle baffle.
The diameter, expressed in millimeters, represents the outside diameter, which must be smaller than the inside diameter of your motorcycle. exhaust system. In other words, if your exhaust has an internal diameter of 36 mm, you should choose the 35 mm model.
For the exhausts we recommend using the smaller size. This will allow more exhaust to escape, but will still reduce noise. So, if your exhaust has an internal diameter of 52 mm, you should choose the 48 mm model. mm model.
The motorcycle baffle is installed in the muffler.
Check the outlet diameter of your exhaust silencer at the point where the baffle will be fitted, to determine the diameter you can choose:
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