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Discussion Starter · #1 ·
I just attempted to install one in my S3. The hunk of shit was so warped, it would not fit. What is that other brand? BMC, BMI or something? I'll try that one...
 

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Discussion Starter · #3 ·
Thanks!!
 

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Fit issues seem to plague K&N filters, and not just with speedy. I bought one for me car and had the same issue. After all, you can buy one at PepBoys.
 

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Discussion Starter · #8 ·
APtech77 said:
:repost: :horse:
If the topic was something you had no interest in, why click on it and leave a dumbassed reply? The last time I checked, there was no rule saying you HAD to read a post.
 

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You can get the BMC from several sources. Just make sure the source actually has it in stock BEFORE you order. Some places do not carry our filter in stock, and it can take weeks to arrive.
The only place I have seen the DNA filter is Ebay.

Other than color and price, I don't know if there is much of a difference in the BMC and DNA. The K&N has the pleats running a different way than the others.
 

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Dfib said:
Correct me if I'm wrong, but the BMC filter flowed slightly better, correct?
Beats me.
My slack a$$ never put it on the flowbench.
I run the BMC only because it came out first.
I MAY try testing a filter when CB is here ---- IF we have time to test it by itself.

I would like to test the throttle body and intake mods as well. But it may not happen.

Feel free to test it on a dyno or track (road or 1/4 mile) Dfib, I would love to see the results. :)
 

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Let me ask this......So, if I ever get these BF pipes, would I be a fool not changing out my stock airfilter to a better flowing filter such as the K&N or BMC....? Is it necessary?
 

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APtech77 said:
Let me ask this......So, if I ever get these BF pipes, would I be a fool not changing out my stock airfilter to a better flowing filter such as the K&N or BMC....? Is it necessary?
No.

Until the stock filter becomes the restriction, no power will be gained. And even then, only at the very top of the rpm range. The stock paper filter DOES filter better than the after-market oiled gauze filters.

Until someone tests the filters back to back - with tuning - I will not recommend an airfilter as a performance increase. It likely is, but I can't prove it, so it is a non-issue. And as you do more mods to increase power (with tuning) you will need more airflow - but stock may see no increase at all.
 

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Devious2xs said:
...

I would like to test the throttle body and intake mods as well. But it may not happen.

Feel free to test it on a dyno or track (road or 1/4 mile) Dfib, I would love to see the results. :)
Devi, can you point me at a thread that exemplifies what you've done to your TB and intake?

Thanks... ;D :afro:
 

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Discussion Starter · #16 ·
Devious2xs said:
Until the stock filter becomes the restriction, no power will be gained. And even then, only at the very top of the rpm range.
Ahhhhhh....then I may not need to change the filter at all. I have TORS and a TuneBoy tune. The TuneBou tune seems to be a little rich where I ride most, which is under 6K RsPM. The reason I was changing the filter was to lean it out a touch with a little extra air flow...BUT if that extra flow is only at the higher RPM range....I don't need to spend the money. Or is the air flow better all around and the power gain is only at higher RsPM??
 

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What I'd like to know is would I NEED a new tune if I changed to a BMC or K&N? My reason would be for convienience, I'd rather wash and oil a filter than have to buy a new one.
 

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I noticed that when I ran the bike with the 20088tune_dyno39 map, with the header work, it wanted more fuel at high rpm with the BMC and intake work. You will likely never notice a difference with or without 2% more or less fuel on the top end.

So NO, you do not NEED a new tune.
 
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