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Which air filter: Perrin, K&N, or OEM?


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  • 10 years later...
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I'm gonna design a gadget to measure how low of pressure between the filter and intake manifold to determine how badly fowled the air cleaner is. Then I'll be rich.

 

Paper filter here. There's an article online demonstrating just how poor of value reusable filters are in terms of airflow and performance.

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Been using a Perrin in my wagon until about 2 years ago when it was 10 years old and looked a little aged. If you lightly oil the filter you ill not have any problem with fouling the MAF sensor.

 

Both my cars have a K&N now.

 

I clean the MAF's once a year when I clean the filters.

305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD).  CHECK your oil, these cars use it.

 

Engine Build - Click Here

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