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1999 Porsche 911 Air Intake Systems

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Latest Customer Reviews

K&N 57 Series FIPK Air Intake (50-State Legal) Reviews


K&N Intake

Reviewed By Aaron A (Middletown, VA) Reviewed for a 1999 Porsche 911 —8/23/2011 5:43 AM

This is a great kit. The installation was not bad at all, and the overall fit is excellent. Not sure about any HP increase, but the throttle response is a little different, and the sound of the engine comes alive when you hit 5,000 RPM. I bought the kit just for the better sound, and it works. Much better than the stock air box.

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K&N Cold Air Intake Replacement Filters Reviews


Best Filters

Reviewed By Robert O (Apple Valley, CA) Reviewed for a 2014 GMC Sierra —2/9/2017 9:08 AM

Bought this filter as an extra so I'll always have one ready to use... Been using K&N filters on everything I own for many years now with NO problems at all...

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Injen Hydro Shield Reviews


Works good

Reviewed By Peter K (HYANNIS, MA) Reviewed for a 2016 Subaru WRX —2/8/2017 1:02 PM

Works good at stopping water. Even running it under faucet no water got through. It also helps keep bugs gravel and leaves from getting stuck in the filter.

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