BMC Air Filters... Restrictor or No Restrictor - Yamaha R6 Forum: YZF-R6 Forums
 
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post #1 of 10 (permalink) Old 12-25-2012, 02:35 PM Thread Starter
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BMC Air Filters... Restrictor or No Restrictor

I'm finally swapping out the stock air filter on my R6 track/race bike. I heard great thing about BMC so i picked up the no-restrictor model. Benefit of this is that it stiill comes with the restrictor, but is optional to screw on or not.

Who runs with or without restrictor filters? I know part of runningn with the restrictor is to comply with superstock rules, but apart from mine being tuned for a stock filter, what other benefits will I get if Iuse the restrictor vs don't use it?

I have the autotune so i hope i wouldnt run into needing much tuning time, but if there's anything else i should consider before adding the restrictor, let me know please and thanks.

I'm aware of the air flow benefits of the bmc filters, whichever decision i make, but if it would make any substantial or noticeable gains is another story.


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post #2 of 10 (permalink) Old 12-26-2012, 11:20 AM
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Re: BMC Air Filters... Restrictor or No Restrictor

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Originally Posted by Mr. Azim View Post
I'm finally swapping out the stock air filter on my R6 track/race bike. I heard great thing about BMC so i picked up the no-restrictor model. Benefit of this is that it stiill comes with the restrictor, but is optional to screw on or not.

Who runs with or without restrictor filters? I know part of runningn with the restrictor is to comply with superstock rules, but apart from mine being tuned for a stock filter, what other benefits will I get if Iuse the restrictor vs don't use it?

I have the autotune so i hope i wouldnt run into needing much tuning time, but if there's anything else i should consider before adding the restrictor, let me know please and thanks.

I'm aware of the air flow benefits of the bmc filters, whichever decision i make, but if it would make any substantial or noticeable gains is another story.
there are ZERO BENEFITS from running the restrictor.. it was a noise reducing device added by yamaha, along with restricting the butterfly opening at high rpm (can do this because it's fly by wire), to meet noise regulations. This is the reason the R6 benefits more than many bike from an ECU flash or kit ecu, and from removing the snorkel/restrictor.

this is a topic you could have searched, you know there are multiple threads on this, some quite heated
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.. I'm telling you (and any notable race engine tuner will tell you), there are hp gains not running it. Will you feel em? don't know, but leave the damn thing off.
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Last edited by MELK-MAN; 12-26-2012 at 11:27 AM.
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post #3 of 10 (permalink) Old 12-26-2012, 01:13 PM
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Re: BMC Air Filters... Restrictor or No Restrictor


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post #4 of 10 (permalink) Old 12-26-2012, 01:17 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

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.. I'm telling you (and any notable race engine tuner will tell you), there are hp gains not running it. Will you feel em? don't know, but leave the damn thing off
Especially if your are racing against Greg in the SS class!!

Sorry...couldn't resist!!
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post #5 of 10 (permalink) Old 12-26-2012, 01:22 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

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Especially if your are racing against Greg in the SS class!!

Sorry...couldn't resist!!
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post #6 of 10 (permalink) Old 12-26-2012, 09:27 PM Thread Starter
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Re: BMC Air Filters... Restrictor or No Restrictor

Thanks..... ECU flash done and done already. Ugh. May can't come soon enough
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post #7 of 10 (permalink) Old 12-27-2012, 10:50 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

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Especially if your are racing against Greg in the SS class!!

Sorry...couldn't resist!!
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LOL.. hey, sometimes ya gotta be lucky when "good" ain't "good enough"..
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post #8 of 10 (permalink) Old 12-28-2012, 12:03 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

^^Yup, don't run it.

Now, there have been debates as well regarding Street vs Track Filters and the benefits they both provide without the restrictor, but funny enough my engine builder got the most HP from the stock air filter with the restrictor removed.

Check out our


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post #9 of 10 (permalink) Old 12-28-2012, 12:21 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

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^^Yup, don't run it.

Now, there have been debates as well regarding Street vs Track Filters and the benefits they both provide without the restrictor, but funny enough my engine builder got the most HP from the stock air filter with the restrictor removed.
Hmmmm
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post #10 of 10 (permalink) Old 12-28-2012, 12:26 PM
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Re: BMC Air Filters... Restrictor or No Restrictor

Stockie goin back in??
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