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Old 22nd January 2024, 19:39   #286
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Re: All about Exhausts / Mufflers / Silencers for RE Bullets

Hi Friends,

I have owned three Royal Enfields. My first one was the right side gear shift 350cc with a really long silencer that met demands of police for noise and emission.

The second one was a 500cc Bullet with a similar looking silencer but it had a connection near the engine that made it impossible to install any factory issued leg-guard except the straight rod.

I had sold both of these Enfields and only last year came across a very good engine that had a right-side-gear shift. It came with a nice Indore silencer---but as luck would have it, the police, during Diwali, decided I was making too much noise in Mumbai city.

I deposited the silencer since there was no point arguing or negotiating --the silencer was indeed too loud for my taste as well. I managed to desperately search and find a suitable silencer to reduce the noise levels of this 2004 model 350cc engine.

Search turned out a Classic 350cc blacked out BS4 silencer that seemed to fit with the help of a bracket. Many people confuse it as Thunderbird silencer but its a stamped genuine BS4 silencer from Royal Enfield for Classic 350.

I guess, eventually I will shell out and make a proper silencer search. This "jugaad" silencer was a truly desperate attempt to keep the Enfield running till I can patiently get hold of an ideal solution--one that satisfies the aesthetics and the cops.

I know, some may say this doesn't look too bad-- and it does not make an unwanted noise--it has a nice thump, thanks also to the 20 year old cast iron engine---but the bracket that joins it is not ideal for long distance trips, especially out of city.

I have also since then done the PUC for the motorcycle and it turned out better numbers than before--but that may be influenced also by a thorough servicing that included change of oil and carburetor cleaning, etc.

So as to not make a feature article of a forum post, I will just post two photos--one before photo and one after photo.

BTW: the exhaust note of my XPulse 200 BS6 is also quite strong since it went beyond 8000+ kms. Nothing wrong with its engine or silencer. It just gives a nice rumbling note as if ready for off-roads rather than the city.

I do have audio recordings for these two motorcycles' exhaust sounds.

I use an Android App called Sound Meter by Abc Apps for checking sound decibel levels. I don't think it would help you if a Mumbai Police officer says you are too loud. Yet, its nice to check.

A thump is a thump. Whereas the blaring dilapidated diesel rickshaw type of silencer sounds does not dignify the Enfield rider.
Attached Thumbnails
All about Exhausts / Mufflers / Silencers for RE Bullets-before-indore-silencer.jpg  

All about Exhausts / Mufflers / Silencers for RE Bullets-classic-bs4-silencer.jpg  

All about Exhausts / Mufflers / Silencers for RE Bullets-silent-silencer-bullet.jpg  

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