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Re: There Are Non Dinan Filter Replacements Out... (archive)
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Posted by JLee on October 30, 2000 at 16:48:40:

In Reply to: Re: There Are Non Dinan Filter Replacements Out... posted by dpeete on October 30, 2000 at 13:37:46:

I'm not sure the open end would really help a Dinan CAI kit on an M3, the filter top sits right on the brake duct. So the open end would basically end up being blocked by the filter. The M roadsters and coupes probably have a different placement.

My mechanic told me he used a K&N filter on his Porsche 944 turbo and when he took it off he turbo impeller looked like hell, all chipped and the edges of the blades were nicked. This maybe an over exaggeration, so i'll probably be checking the intake for excess dust in the inlets.

jeff



Hello Paul,
Sorry to start off this way... but would you mind posting at the top of the thread instead of the bottom... it would a lot easier to see you question!

Anyway, this IS NOT a K&N manufactured filter. It uses the same materials, but incorporates bigger pleats (increased surface area) and the open top to achieve higher flow rates. In the Dinan size version of this filter it flows better then a 9" K&N. For the hp you are putting out the K&N filter Dinan uses is too small (see this link: http://www.autophysics.com/design.html). I run a 7" filter on my M Roadster which has a Dinan Stage 5 package. Granted the packaging of the CAI on the Roadster is different then the M3, but I bet it would fit just fine. Overall it is a hair over 5" in diameter and is 7" in length with a 3.5" flange.

Cheers,
Doug



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