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Author Topic: Best Rest Products tests various air filters  (Read 106 times)

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Richard230

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on: December 25, 2018, 09:39:47 am
This is kind of an entertaining 33-minute long video where the owner of the Best Rest Products accessory company tests different types of motorcycle air filter mediums. He uses a stock BMW paper filter in his tests.
https://www.youtube.com/watch?v=JgZPkggKNiI&
You can go to minute 25 to see the conclusion of the air filter severe contamination results. 

The stock BMW paper air filter seems to be the best filter that was tested for keeping fine contaminates out of your engine and also did a decent job of flowing air as any other filter when clean, although that was a little hard for me to evaluate (at minute 15).  However, it appears that the Guglatech filter that they sell at their store, flowed more air than the other filters when both new and after filtering some of their filter compound.

Based upon this "test" (and I will let you be the judge of how scientific it is), personally I would stick with a typical stock paper filter for street riding, although the Guglatech filter might be a less expensive option over time because it is washable and reusable. I was surprised that both the Uni and K&N filter didn't seem to perform very well as air filters.  In any case, Guglatech filters are not available for Royal Enfields, so you don't have to be concerned that you are missing an opportunity to buy one of those.

The last couple of minutes of the video are pretty funny.  ;D
« Last Edit: December 25, 2018, 03:59:32 pm by Richard230 »
2011 Royal Enfield B5 500, 2018 16.6 kWh Zero S, 2016 BMW R1200RS, 2009 BMW F650GS, 2005 Triumph Bonneville T-100, 2002 Yamaha FZ1


Stanley

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Reply #1 on: December 25, 2018, 10:10:42 am
My two bikes came with cotton filters made by K&N and S&B. With my poor eyesight I could read text through the pattern of pinholes in the elements. Past bikes with these filters show the damage from grit on the outer side of the slide. Dyno tests won`t show these details.

Richard, thanks but that link doesn't work, but I found this:

https://www.youtube.com/watch?v=sK4qKFuVjpo

The guy is a character!
« Last Edit: December 25, 2018, 12:27:29 pm by Stanley »
Doubt is not a pleasant condition, but certainty is absurd. - Voltaire


Richard230

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Reply #2 on: December 25, 2018, 03:56:19 pm
Let me try that again:
https://www.youtube.com/watch?v=JgZPkggKNiI&

Got it that time.   :)  I fixed my original post. What I tried to do was to remove the tracking information from the link and I didn't do it quite right the first time.
« Last Edit: December 25, 2018, 04:00:51 pm by Richard230 »
2011 Royal Enfield B5 500, 2018 16.6 kWh Zero S, 2016 BMW R1200RS, 2009 BMW F650GS, 2005 Triumph Bonneville T-100, 2002 Yamaha FZ1