Air filter recommendations... - Alfa Romeo Forum
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Air filter recommendations...

...but with a twist. Whenever I get a new car, freshly serviced or not, I like to change a few bits 'n' bobs like the air filter, cabin filter, plugs etc, etc, just so I know they've been done.
Having seen the cost of the plugs, they can wait. The air filter, however; well that's easy and cheap enough. So, which air filter? Only, unlike most, I'm looking for something that'll provide maximum filtration, and not and extra 0.01bhp at 7000rpm. All these claims of "100000x more airflow" I find un-nerving. If more air gets through, then surely more dirt will as well. Now, as much as power is a good thing, keeping my engine internals free of grit ranks that little bit higher.
So, what's you recommend? Autodeltas own foam filter? An ITG/RamAir foam filter (if they make 'em)? The usual K&N panel filter? Are foam filters crap? Are K&N filters crap? What would you suggest, and why?
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Power air filters do flow more air at the same filtration level as standard but if they're fitted in isolation you probably won't notice that extra 1-3 bhp they typically claim.

You have to also offset that long-life/re-usability selling point against the fact that if you over or under oil it after cleaning it with the special () cleaner then it'll be less efficient or less effective at filtering.

Far better to spend the time/money on regular standard filters changed as specified.

Ralf S.
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