Miata Mailing List: April 1993, Message #197
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   From: (none)
Subject: Re: air filter
   Date: (none)



On Wed, 28 Apr 1993, James Miller wrote:

> Howdy,
> 
> I've heard some mention that the "K & N" filter helps improve performance,
> presumably because it retards air flow less than the stock filter.  How much
> do these K & N filters cost, and where do you find them?  I ask because I
> might be replacing my air filter soon and as a rule try to avoid buying parts
> from the dealer.  (Explanation: Who knows if it's Mazda, the dealer, or
> someone in between, but someone is marking up the prices of spares like crazy!
> Maybe this is typical for stuff that comes in boxes labeled with the name of a
> big, big foreign, or big Japanese carmaker, but equivalent parts from a local
> 'expensive' foreign car parts house are typically 50-70% the prices from the
> dealer.)

First, my experience with the performance you get from a K&N stock
replacement filter. Expect to notice no improvement in horsepower. K&N
claims 2-3 bhp increase, which is 2 percent. You'll never notice. :-{)
What you *will* notice is improved throttle response, or at least I did.

As for where and how much, most of your local speed shops can get them in
for you, for around $40 plus tax. Or you can order from one of the
aftermarket suppliers in the back of Miata Magazine, and pay about $40
plus shipping. Your choice.

--
Ken

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  Ken Warren             |"Nothing good has ever been reported about the
                         | full rotation of a race car about either its
  E-Mail: kenw@netaxs.com| pitch or roll axis"             Carroll Smith
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