[MSCW list] K&N High Perf Air Filter

LaForce lesterlaforce
Thu Sep 18 00:55:16 CEST 2014

I am thinking to start using this filter in my 2009 Miata.  I have read that its use increases airflow rates -- with a commiserate increases in horsepower, etc..  Does anyone care to share their experience or opinions of the filer, benefits, maintenance, cost effectiveness, etc.

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