Date: Fri,  5 Sep 97 16:48:59 -0600
From: schapironopsams.nospam*.com
Subject: Re: Which K&N Filter?

In Article Which K&N Filter? , Andrew Dyer <> wrote: > I have a 91 9000 Turbo and I want to put in either the K&N drop in > replacement filter or the K&N Filter that replaces the stock air box > upto the mass air sensor. > > If I choose the second option I am concerned that about the car sucking > in all that HOT under the hood air. > > If I choose the first option I am concerned that it will not look real > COOL and I may be giving up some extra horses by removing the stock air > box. > > Any comments? > > Andrew Andrew, I've got the stock drop in type K7N filter in my '85 900S. It makes a noticable diference in acceleration and fuel economy. The trick is to keep the thing clean. Given you have a 900T the fdrop in filter ought to be just fine as the turbo is going to have a bigger impact on performance that the filter. The Filter will improve responsiveness a bit in the RPM range below that where the turbo kicks in. After the turbo takes over the low max boost means the turbo has plenty of excess capacity. Again the trick is cleaning the filter and air intake. I've seen leaves and such sucked up against the filter element. Doesn't do much for airflow volume. Ben Schapiro

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