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2016 Porsche Cayman
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Discussion Starter · #1 ·
I watched the video of Flat 6 Motorsports 2.7L Cayman 981 Project and one of the upgrades is the replacement of the paper oem air filters with high flow type (cannot remember what aftermarket brand, BMC, AFE, K&N???) and their experience is an enhanced aural tone of the n/a flat 6 engine. The car is still on stock exhaust headers & mufflers.
What is your experience?
 
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Anytime I have changed to a high flow filter (BMC for example) I noticed a slight increase in intake noise, say maybe 10% louder than stock or so. It is most noticeable in the cabin, you will not really hear much of a difference from outside.
 

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Just remember to service the high air flow filters at least once a year or every 8,000 miles. My BMC filters were caked with dirt at 8K. I now have a spare set of filters and the tube/elbow housings they attach to to make changing them quicker (cleaning them means spraying on detergent, rinse with water, dry, re-oil - all that should take more than a day, mostly for the filters to dry before re-oiling them).

The stock paper filters clog up just as fast, but they will better prevent dirt from getting to the engine when clogged.With aluminum cylinders, you have to be careful to keep the air clean.

V6
 

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You'll probably notice a slight increase in the intake sound. You can also expect a very slight bump in HP - say 3 to 5 HP. Unless you're going to do other performance enhancements, it's hardly worth the time and effort to install them.
 

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You wish;). There's no restriction on the massive filtering surface of 981s, so added noise (and dirt) only.
Well I guess my butt dyno is better calibrated than yours. :hilarious:
 
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