K&N air filter question - 986 Forum - The Community for Porsche Boxster & Cayman Owners

thstone · 01-31-2011, 12:38 PM

To answer further.... I had the K&N in the Boxster when I bought it but replaced it with a stock paper/foam filter because the stock filter was the replacement that I had purchased.

I've since bought the K&N cleaning kit but am unsure if I'll use the K&N or the stock filter until I do a little more research. My gut says stay with the stock filter but I don't have to make a decision until I get close to the next filter change.

Idaho Red Rocket 3 · 01-31-2011, 08:10 PM

I have been back and forth with K&N filters for many years. I've been riding motorcycles for 40 years now and have had them in some of my bikes and cars on and off over the years. I have some on the shelf in the garage right now. I even have a fresh recharge kit on the shelf too. I no longer use the K&N filters. At this time I'm at the point where I replace my car air filters every spring, no matter the mileage, using only good quality pleated paper filters .

I lived in Maryland until 2000. I now live in what I consider a high dust area. We have more dirt roads in Idaho then paved. With the wind we have all year, the air is often dusty. You can see it on your cars or motorcycles (especialy the black ones) hours after you clean them. Sometimes the day after you wash your vehicle, it can be so dusty again, you'll want to wash it again. And I have.

So...that is why I have adopted sticking with the pleated paper filters, which are said to be best for trapping the fine dust. If you live in a low dust area, you may like using the K&N.

BTW I buy my all of my Porsche filters from NAPA. I get he NAPA Gold. The price is right and so are the the parts. Check them out.

yelojkt · 02-01-2011, 06:54 AM

I have put over 180,000 miles on my K&N filter. I have never had a problem with my MAF. I use the K&N cleaner and wash the filter let it dry on top of a fan and then spray oil it. This is a Nuespeed P-Flow intake that I have run on my car for over 6 years. If I was running my car in a high dust conditions like driving dirt roads eveyday than I would use the stock airbox with a paper filter changed often. But since I am running on pavement 99% of the time I use the K&N filter.

Gator Bite · 02-02-2011, 05:03 AM

I used K&Ns for a long time, on my cars and motorcycles. I stopped when I had my 944 Turbo. I opened the airbox for a cleaning and noticed fine dust inside the airbox, on the clean side. Not good. I am not going to rest the fate of my engine on a few horsepower of claimed gain, or on my ability to evenly and adequately spray oil onto an air filter. Just my 2 cents.