907 votes
Agreed ^^ I did mine a wek ago and the sound is great! The DV is definately audible now and the turbo spools a little quicker and whines louder! You'll get a little better mileage like alreadt stated and I'm sure you'll gain a few HP, but its not very noticeable.
The K&N drop in is nice. I don't want to do a CAI, so it's a good compromise. I don't know if there is much perfomance gains, the 1.8T feels a little stronger with the drop in filter. The sound is great though. I put my new filter in last weekend and took a friend out and he was loving the sound of the turbo and DV coming through the stock air box. Nothing too crazy like a CAI or BOV, but it definetly makes alittle more noise.
Not a whole lot of difference, that is until you swiss cheese the air box!
K&N Air Filter
Just installed the K & N filters. Whoever, designed the air filter housings is a complete and utter moron! It is inexcusable at how difficult it is too change out the passenger side filter. What were they thinking. I had to chop with a knife the existing filter (passenger side only) to get it out of the tiny gap that is available. The 'G' clips are not hinged to fold back, so they act as great hooks to snag the filters. Then had to vacuum out the housings to make sure I did not leave any debris before installing the K & N's. One of the main benefits of the K & N's is that they are slimmer that the OEM's and will therefore be easier to access for future maintenance as they will slip in and out of the housings easier. THe reason I bought them is I have had good experiences with them in the past, I live at 10,000 feet and any extra air my engines can get makes a big difference!
One problem that you can have with the K&N over the stock air filter is over-oiling by novice users. If you over-oil it and the extra oil gets onto the mass air flow sensor, you will need to replace the sensor. Supposedly they aren't cheap either. K&N filters can also be a pain to take care of too. When they get dirty, you have to wash them and re-oil them. This adds another time to screw up.
I did. Driver's side <2 minutes; passenger side required a plasma donation. Very, very tight fit. More induction song now, but the regular paper filters are so big I doubt that limited air flow is a problem.
I bought the K&N at http://www.martelbrothers.com/customer/knstore.php . It is cheaper about $41 each. I called VW serviceman to make an appointment that I would like to install K&N filters, and he told me anytime.
It's winter in Toronto and it's about -10 outside.. and i just put in a VR conversion... new Sparkplugs new wires new K&N Filter Neuspeed Chip Air Filter Oil just changed New G11 Coolant. anyway i keep checking the MFA and the oil temp is consistently in the 100-118 Celcius range.. during traffic or cruising around the streets its at 96-100 and when im going good on the Hiways at around 100-118
I have run K&N's on all my cars as far back as I can remember. I'm waiting for spring when I can do a baseline comparision of HP before and after the K&N install with my GTECH Pro competition before I do the installation.
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