The Green Filter has an immediately noticeable higher quality and not having to replace it will have it pay for itself in time.
Air filter replaced with a brand new one. Tested the car, monitored the fuel trims. It appeared that drive-ability has improved, however, the intermittent low fuel trims did not go away.
A filter shouldn't void a warranty, and K&N even offers to fight warranty disputes with dealers who claim the filter did it. The top actually secures the filter in place. You can take it off, but I would check it once a week to be sure it didn't pop off the intake tube. a high flow filter is for increased air flow (easier/faster air intake) and not temp decreases. I have a snorkel and I have NEVER had water on the filter, but I also leave the airbox lid on (my 2013 has a ~1" gap between the hood and bumper that water likes to go through to the engine compartment). Oil coated air filters require you to wash and re-oil them every so often. The oil is what catches most of the dust.
It will make some difference in temp, since it opens up the side of the airbox, even if you leave the lid on. The upswing on temp shouldn't be major, especially this time of year. I run mine with the lid on.
I just installed a green filter on my '16 ST1 and I love it. You get a nice turbo sound when accelerating.
Had K&N's for years. Never had a problem with them.
I went with K&N, perfect fit in the stock box and reusable so you don't need to replace each time, just wash. It's a little pricy up front. But worth it in my opinion.
I ordered two of the K&N filters for my V8 T-Reg (hey, anything to improve mileage). I've installed these things on my previous car before and it was pretty cake.
I use a k&n and I've noticed some grit mixed in with the oil that coats the walls of my intake track. I only clean it every 40k though.
My vr6 had nothing but maf issues after I installed a k&n. I wouldn't even dream of putting a k&n in my 1.8t. The paper filters are fine. It's been proven on the dyno more than once that you get no gains from a k&n whatsoever. Unless you think you are going to clean and reoil your k&n to reuse it and save on filter costs (in which case again you have to be careful not to over oil or you screw up your maf up big time) there is no specific benefit to gain by installing one. Let me note that I've not noticed the same issues in older vw's, just mk IV's.
Write your review about air filter
Help others - share your experience with this part.
Voted AGAINST engine oil RAVENOL on the rating page
The brake pads NIPPARTS got the first review!
The brake discs Hella got the first review!
The brake discs OEM Suzuki got the first review!
For tires OEM Toyota already 25 reviews.
For tires IRONMAN already 25 reviews.
For starter motor OEM Volkswagen already 25 reviews.
In the rating best ignition coil already 13 brands participate!
In the rating best fuel pump already 5 brands participate!
In the rating best turbocharger already 4 brands participate!
In the auto rating headlights for Volkswagen Golf already 5 brands participate!
In the auto rating brake pads for Mazda 5 already 10 brands participate!
In the auto rating brake pads for BMW M2 already 5 brands participate!
Voted AGAINST engine oil RED LINE on the rating page
Voted AGAINST engine oil PENNZOIL on the rating page
