How to quiet an EFIed 20V?

[Joshua Van Tol]

The problem with K&N filters is they don't filter very well. Properly
sized paper filters do a far better job.

On Fri, Oct 28, 2011 at 11:19 AM, Tihol Tiholov <t.tiholov at gmail.com> wrote:
>> Not sure if this will help you. I have a fairly large  compressor, all  of
> the noise (substantial) is intake.. I went to a bone yard and pulled the
> air filter "hose" off a Honda Accord. That had an expansion chamber in it.
> That  solved the noise problem.
>
> Second the hose or a pipe solution.
> Had a 944 Porsche NA with a big K&N cone (8-9" long). It was attached to the
> MAF via a 90 degree exhaust elbow, maybe 8-10" long. There was an intake
> noise, mostly under acceleration and it never bothered me - actually it was
> a bit invigorating.
> I wouldn't bash K&N so much - as long as it's cleaned a lightly oiled, no
> issues. Had it on my '88 90 q, too. The conversion on the 944 happened maybe
> 15 yrs ago as a much cheaper alternative to renewing the broken air cleaner
> box ($240+ back in the day). K&N filters and "cold" air intakes weren't a
> mainstream ricer item in those days and were used by racers mostly. Must
> have paid under $50 for the filter, under $10 for the exh. elbow and a
> friend welded a flange to mate it to the MAF. Lasted for years with no
> issues. The Audi might still be in (sold twice since my ownership).
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