Honda CRF300 Airbox Mod: Fact or Fiction?
Patched Bandit Patched Bandit
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 Published On Jul 8, 2023

Check out my full tuning episode of CRF300L here:    • CRF300: ECU, Airbox & Exhaust Tune by...  

The bike in the video is EURO model CRF300L (2022) and this is the part I'm removing: DUCT, AIR CLEANER 17241-K1T-E10. The bike is also of course valid towards the CRF300 Rally.

Clips in the beginning from these videos:
Video 1:    • CRF300L Snorkel Removed | Any Benefit?  
Video 2:    • Honda CRF300L Free Performance Mods  

This video was not made to bash anyone! This was just my curiosity on how much of a difference could I measure with the methods shown on this video. I follow both channels above and they make great content so please go check them out too: ‪@excitebikes2751‬ and ‪@Scoottoots‬

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‪@Scoottoots‬ also mentioned that his bike is not a 100% stock as mine in this video so any changes he has made to his bike can affect the result. The point of this video is not to prove or disprove the videos used in the intro. They are there just to tell the general story that is moving online about these snorkel issues.

Quote from ‪@Scoottoots‬ : "Thanks for getting in touch and for asking permission. Sure, go ahead and use the clip. No worries.

I watched your video. You did a good job at being objective. You also provided the caveat that you are not testing the snorkel removal alongside other intake/exhaust mods. In my case, as mentioned in my video, I had already opened out the exhaust somewhat. I had also removed the backfire screen from the air filter."
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Just as a disclamer a couple of things:

First: I'm not saying this is a highly scientific method to measure the differences but this is what I could do at this time.

Second: This was just to test if ONLY removing the snorkel has a measurable difference in power or acceleration. I'm not saying that this is not beneficial combined with other power mods like ECU and exhaust.

Reason I'm doing this is that many of us might be interested in powermods with the lowest amount of cost and this would definitely be in that bracket.

We can all decide ourselves if this test had any value or not. I don't care what you do with your bike and if you find any mod useful I'm not here to tell you otherwise.

Stock tests and snorkel removed tests were both run with FULL tank of gas. I filled the bike before each one so there is no weight difference at all.

My CRF300 playlist:    • Honda CRF300L  

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